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Finding the Fourth Proportional to 491,000.20, 736,500.30 and 158,576.20

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Solution

The fourth proportional to 491,000.20, 736,500.30 and 158,576.20 is: 237,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,000.20 : 736,500.30 = 158,576.20 : x
  2. Step 2: Convert to fraction form
    491,000.20/736,500.30 = 158,576.20/x
  3. Step 3: Cross multiply
    491,000.20x = 736,500.30 × 158,576.20
  4. Step 4: Simplify right side
    491,000.20x = 116,791,418,872.86
  5. Step 5: Solve for x
    x = 116,791,418,872.86/491,000.20
  6. Step 6: Final answer
    x = 237,864.30

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Similar ratio
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1.5x scale

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.