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Finding the Fourth Proportional to 214,763.96, 296,378.28 and 119,279.60

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Solution

The fourth proportional to 214,763.96, 296,378.28 and 119,279.60 is: 164,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,763.96 : 296,378.28 = 119,279.60 : x
  2. Step 2: Convert to fraction form
    214,763.96/296,378.28 = 119,279.60/x
  3. Step 3: Cross multiply
    214,763.96x = 296,378.28 × 119,279.60
  4. Step 4: Simplify right side
    214,763.96x = 35,351,882,687.09
  5. Step 5: Solve for x
    x = 35,351,882,687.09/214,763.96
  6. Step 6: Final answer
    x = 164,608.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.