Home / 400,336.08-552,463.50-219,049.20

Finding the Fourth Proportional to 400,336.08, 552,463.50 and 219,049.20

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Solution

The fourth proportional to 400,336.08, 552,463.50 and 219,049.20 is: 302,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,336.08 : 552,463.50 = 219,049.20 : x
  2. Step 2: Convert to fraction form
    400,336.08/552,463.50 = 219,049.20/x
  3. Step 3: Cross multiply
    400,336.08x = 552,463.50 × 219,049.20
  4. Step 4: Simplify right side
    400,336.08x = 121,016,687,704.20
  5. Step 5: Solve for x
    x = 121,016,687,704.20/400,336.08
  6. Step 6: Final answer
    x = 302,287.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.