Home / 437,039.55-655,497.04-137,512.35

Finding the Fourth Proportional to 437,039.55, 655,497.04 and 137,512.35

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Solution

The fourth proportional to 437,039.55, 655,497.04 and 137,512.35 is: 206,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,039.55 : 655,497.04 = 137,512.35 : x
  2. Step 2: Convert to fraction form
    437,039.55/655,497.04 = 137,512.35/x
  3. Step 3: Cross multiply
    437,039.55x = 655,497.04 × 137,512.35
  4. Step 4: Simplify right side
    437,039.55x = 90,138,938,388.44
  5. Step 5: Solve for x
    x = 90,138,938,388.44/437,039.55
  6. Step 6: Final answer
    x = 206,248.93

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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.