Home / 480,753.20-721,247.88-165,214.64

Finding the Fourth Proportional to 480,753.20, 721,247.88 and 165,214.64

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Solution

The fourth proportional to 480,753.20, 721,247.88 and 165,214.64 is: 247,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,753.20 : 721,247.88 = 165,214.64 : x
  2. Step 2: Convert to fraction form
    480,753.20/721,247.88 = 165,214.64/x
  3. Step 3: Cross multiply
    480,753.20x = 721,247.88 × 165,214.64
  4. Step 4: Simplify right side
    480,753.20x = 119,160,708,844.96
  5. Step 5: Solve for x
    x = 119,160,708,844.96/480,753.20
  6. Step 6: Final answer
    x = 247,862.54

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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.