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Finding the Fourth Proportional to 439,023.99, 658,649.32 and 135,411.32

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Solution

The fourth proportional to 439,023.99, 658,649.32 and 135,411.32 is: 203,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,023.99 : 658,649.32 = 135,411.32 : x
  2. Step 2: Convert to fraction form
    439,023.99/658,649.32 = 135,411.32/x
  3. Step 3: Cross multiply
    439,023.99x = 658,649.32 × 135,411.32
  4. Step 4: Simplify right side
    439,023.99x = 89,188,573,838.30
  5. Step 5: Solve for x
    x = 89,188,573,838.30/439,023.99
  6. Step 6: Final answer
    x = 203,151.94

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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.