Home / 457,317.20-686,001.72-141,818.96

Finding the Fourth Proportional to 457,317.20, 686,001.72 and 141,818.96

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Solution

The fourth proportional to 457,317.20, 686,001.72 and 141,818.96 is: 212,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,317.20 : 686,001.72 = 141,818.96 : x
  2. Step 2: Convert to fraction form
    457,317.20/686,001.72 = 141,818.96/x
  3. Step 3: Cross multiply
    457,317.20x = 686,001.72 × 141,818.96
  4. Step 4: Simplify right side
    457,317.20x = 97,288,050,488.61
  5. Step 5: Solve for x
    x = 97,288,050,488.61/457,317.20
  6. Step 6: Final answer
    x = 212,736.48

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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.