Home / 292,689.29-438,834.15-155,932.83

Finding the Fourth Proportional to 292,689.29, 438,834.15 and 155,932.83

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Solution

The fourth proportional to 292,689.29, 438,834.15 and 155,932.83 is: 233,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,689.29 : 438,834.15 = 155,932.83 : x
  2. Step 2: Convert to fraction form
    292,689.29/438,834.15 = 155,932.83/x
  3. Step 3: Cross multiply
    292,689.29x = 438,834.15 × 155,932.83
  4. Step 4: Simplify right side
    292,689.29x = 68,428,650,910.14
  5. Step 5: Solve for x
    x = 68,428,650,910.14/292,689.29
  6. Step 6: Final answer
    x = 233,792.81

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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.