Home / 437,623.52-656,435.43-138,134.39

Finding the Fourth Proportional to 437,623.52, 656,435.43 and 138,134.39

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Solution

The fourth proportional to 437,623.52, 656,435.43 and 138,134.39 is: 207,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,623.52 : 656,435.43 = 138,134.39 : x
  2. Step 2: Convert to fraction form
    437,623.52/656,435.43 = 138,134.39/x
  3. Step 3: Cross multiply
    437,623.52x = 656,435.43 × 138,134.39
  4. Step 4: Simplify right side
    437,623.52x = 90,676,304,415.26
  5. Step 5: Solve for x
    x = 90,676,304,415.26/437,623.52
  6. Step 6: Final answer
    x = 207,201.63

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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.