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Finding the Fourth Proportional to 456,471.48, 685,000.98 and 246,254.52

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Solution

The fourth proportional to 456,471.48, 685,000.98 and 246,254.52 is: 369,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,471.48 : 685,000.98 = 246,254.52 : x
  2. Step 2: Convert to fraction form
    456,471.48/685,000.98 = 246,254.52/x
  3. Step 3: Cross multiply
    456,471.48x = 685,000.98 × 246,254.52
  4. Step 4: Simplify right side
    456,471.48x = 168,684,587,529.43
  5. Step 5: Solve for x
    x = 168,684,587,529.43/456,471.48
  6. Step 6: Final answer
    x = 369,540.26

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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.