Home / 438,761.07-658,141.61-106,337.07

Finding the Fourth Proportional to 438,761.07, 658,141.61 and 106,337.07

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Solution

The fourth proportional to 438,761.07, 658,141.61 and 106,337.07 is: 159,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,761.07 : 658,141.61 = 106,337.07 : x
  2. Step 2: Convert to fraction form
    438,761.07/658,141.61 = 106,337.07/x
  3. Step 3: Cross multiply
    438,761.07x = 658,141.61 × 106,337.07
  4. Step 4: Simplify right side
    438,761.07x = 69,984,849,920.80
  5. Step 5: Solve for x
    x = 69,984,849,920.80/438,761.07
  6. Step 6: Final answer
    x = 159,505.61

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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.