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Finding the Fourth Proportional to 439,220.08, 658,874.94 and 119,377

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Solution

The fourth proportional to 439,220.08, 658,874.94 and 119,377 is: 179,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,220.08 : 658,874.94 = 119,377 : x
  2. Step 2: Convert to fraction form
    439,220.08/658,874.94 = 119,377/x
  3. Step 3: Cross multiply
    439,220.08x = 658,874.94 × 119,377
  4. Step 4: Simplify right side
    439,220.08x = 78,654,513,712.38
  5. Step 5: Solve for x
    x = 78,654,513,712.38/439,220.08
  6. Step 6: Final answer
    x = 179,077.68

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1.5x scale

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.