Home / 499,966.97-750,370.43-215,872.25

Finding the Fourth Proportional to 499,966.97, 750,370.43 and 215,872.25

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Solution

The fourth proportional to 499,966.97, 750,370.43 and 215,872.25 is: 323,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,966.97 : 750,370.43 = 215,872.25 : x
  2. Step 2: Convert to fraction form
    499,966.97/750,370.43 = 215,872.25/x
  3. Step 3: Cross multiply
    499,966.97x = 750,370.43 × 215,872.25
  4. Step 4: Simplify right side
    499,966.97x = 161,984,149,845.40
  5. Step 5: Solve for x
    x = 161,984,149,845.40/499,966.97
  6. Step 6: Final answer
    x = 323,989.71

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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.