Home / 442,116.70-663,175.05-161,743.30

Finding the Fourth Proportional to 442,116.70, 663,175.05 and 161,743.30

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Solution

The fourth proportional to 442,116.70, 663,175.05 and 161,743.30 is: 242,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,116.70 : 663,175.05 = 161,743.30 : x
  2. Step 2: Convert to fraction form
    442,116.70/663,175.05 = 161,743.30/x
  3. Step 3: Cross multiply
    442,116.70x = 663,175.05 × 161,743.30
  4. Step 4: Simplify right side
    442,116.70x = 107,264,121,064.67
  5. Step 5: Solve for x
    x = 107,264,121,064.67/442,116.70
  6. Step 6: Final answer
    x = 242,614.95

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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.