Home / 442,621.72-663,932.22-162,160.84

Finding the Fourth Proportional to 442,621.72, 663,932.22 and 162,160.84

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Solution

The fourth proportional to 442,621.72, 663,932.22 and 162,160.84 is: 243,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,621.72 : 663,932.22 = 162,160.84 : x
  2. Step 2: Convert to fraction form
    442,621.72/663,932.22 = 162,160.84/x
  3. Step 3: Cross multiply
    442,621.72x = 663,932.22 × 162,160.84
  4. Step 4: Simplify right side
    442,621.72x = 107,663,806,498.27
  5. Step 5: Solve for x
    x = 107,663,806,498.27/442,621.72
  6. Step 6: Final answer
    x = 243,241.13

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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.