Home / 480,754.20-721,249.38-165,215.64

Finding the Fourth Proportional to 480,754.20, 721,249.38 and 165,215.64

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Solution

The fourth proportional to 480,754.20, 721,249.38 and 165,215.64 is: 247,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,754.20 : 721,249.38 = 165,215.64 : x
  2. Step 2: Convert to fraction form
    480,754.20/721,249.38 = 165,215.64/x
  3. Step 3: Cross multiply
    480,754.20x = 721,249.38 × 165,215.64
  4. Step 4: Simplify right side
    480,754.20x = 119,161,677,916.30
  5. Step 5: Solve for x
    x = 119,161,677,916.30/480,754.20
  6. Step 6: Final answer
    x = 247,864.04

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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.