Home / 438,767.50-658,151.25-106,343.50

Finding the Fourth Proportional to 438,767.50, 658,151.25 and 106,343.50

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Solution

The fourth proportional to 438,767.50, 658,151.25 and 106,343.50 is: 159,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,767.50 : 658,151.25 = 106,343.50 : x
  2. Step 2: Convert to fraction form
    438,767.50/658,151.25 = 106,343.50/x
  3. Step 3: Cross multiply
    438,767.50x = 658,151.25 × 106,343.50
  4. Step 4: Simplify right side
    438,767.50x = 69,990,107,454.38
  5. Step 5: Solve for x
    x = 69,990,107,454.38/438,767.50
  6. Step 6: Final answer
    x = 159,515.25

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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.