Home / 438,834.48-658,251.72-123,294.12

Finding the Fourth Proportional to 438,834.48, 658,251.72 and 123,294.12

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Solution

The fourth proportional to 438,834.48, 658,251.72 and 123,294.12 is: 184,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,834.48 : 658,251.72 = 123,294.12 : x
  2. Step 2: Convert to fraction form
    438,834.48/658,251.72 = 123,294.12/x
  3. Step 3: Cross multiply
    438,834.48x = 658,251.72 × 123,294.12
  4. Step 4: Simplify right side
    438,834.48x = 81,158,566,555.89
  5. Step 5: Solve for x
    x = 81,158,566,555.89/438,834.48
  6. Step 6: Final answer
    x = 184,941.18

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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.