Home / 437,180.50-655,794.15-137,684.40

Finding the Fourth Proportional to 437,180.50, 655,794.15 and 137,684.40

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Solution

The fourth proportional to 437,180.50, 655,794.15 and 137,684.40 is: 206,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,180.50 : 655,794.15 = 137,684.40 : x
  2. Step 2: Convert to fraction form
    437,180.50/655,794.15 = 137,684.40/x
  3. Step 3: Cross multiply
    437,180.50x = 655,794.15 × 137,684.40
  4. Step 4: Simplify right side
    437,180.50x = 90,292,625,554.03
  5. Step 5: Solve for x
    x = 90,292,625,554.03/437,180.50
  6. Step 6: Final answer
    x = 206,533.97

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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.