Home / 439,024.49-658,650.07-135,411.82

Finding the Fourth Proportional to 439,024.49, 658,650.07 and 135,411.82

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Solution

The fourth proportional to 439,024.49, 658,650.07 and 135,411.82 is: 203,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,024.49 : 658,650.07 = 135,411.82 : x
  2. Step 2: Convert to fraction form
    439,024.49/658,650.07 = 135,411.82/x
  3. Step 3: Cross multiply
    439,024.49x = 658,650.07 × 135,411.82
  4. Step 4: Simplify right side
    439,024.49x = 89,189,004,721.83
  5. Step 5: Solve for x
    x = 89,189,004,721.83/439,024.49
  6. Step 6: Final answer
    x = 203,152.69

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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.