Home / 330,818.20-496,227.30-315,266.20

Finding the Fourth Proportional to 330,818.20, 496,227.30 and 315,266.20

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Solution

The fourth proportional to 330,818.20, 496,227.30 and 315,266.20 is: 472,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,818.20 : 496,227.30 = 315,266.20 : x
  2. Step 2: Convert to fraction form
    330,818.20/496,227.30 = 315,266.20/x
  3. Step 3: Cross multiply
    330,818.20x = 496,227.30 × 315,266.20
  4. Step 4: Simplify right side
    330,818.20x = 156,443,695,207.26
  5. Step 5: Solve for x
    x = 156,443,695,207.26/330,818.20
  6. Step 6: Final answer
    x = 472,899.30

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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.