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Finding the Fourth Proportional to 290,472.96, 435,767.76 and 132,659.04

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Solution

The fourth proportional to 290,472.96, 435,767.76 and 132,659.04 is: 199,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,472.96 : 435,767.76 = 132,659.04 : x
  2. Step 2: Convert to fraction form
    290,472.96/435,767.76 = 132,659.04/x
  3. Step 3: Cross multiply
    290,472.96x = 435,767.76 × 132,659.04
  4. Step 4: Simplify right side
    290,472.96x = 57,808,532,704.55
  5. Step 5: Solve for x
    x = 57,808,532,704.55/290,472.96
  6. Step 6: Final answer
    x = 199,015.19

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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.