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Finding the Fourth Proportional to 508,085.32, 761,579.60 and 223,522.60

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Solution

The fourth proportional to 508,085.32, 761,579.60 and 223,522.60 is: 335,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,085.32 : 761,579.60 = 223,522.60 : x
  2. Step 2: Convert to fraction form
    508,085.32/761,579.60 = 223,522.60/x
  3. Step 3: Cross multiply
    508,085.32x = 761,579.60 × 223,522.60
  4. Step 4: Simplify right side
    508,085.32x = 170,230,252,298.96
  5. Step 5: Solve for x
    x = 170,230,252,298.96/508,085.32
  6. Step 6: Final answer
    x = 335,042.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.