Home / 457,298.10-685,947.15-141,851.70

Finding the Fourth Proportional to 457,298.10, 685,947.15 and 141,851.70

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Solution

The fourth proportional to 457,298.10, 685,947.15 and 141,851.70 is: 212,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,298.10 : 685,947.15 = 141,851.70 : x
  2. Step 2: Convert to fraction form
    457,298.10/685,947.15 = 141,851.70/x
  3. Step 3: Cross multiply
    457,298.10x = 685,947.15 × 141,851.70
  4. Step 4: Simplify right side
    457,298.10x = 97,302,769,337.66
  5. Step 5: Solve for x
    x = 97,302,769,337.66/457,298.10
  6. Step 6: Final answer
    x = 212,777.55

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Similar ratio
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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.