Home / 372,023.28-513,359.12-206,455.44

Finding the Fourth Proportional to 372,023.28, 513,359.12 and 206,455.44

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Solution

The fourth proportional to 372,023.28, 513,359.12 and 206,455.44 is: 284,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,023.28 : 513,359.12 = 206,455.44 : x
  2. Step 2: Convert to fraction form
    372,023.28/513,359.12 = 206,455.44/x
  3. Step 3: Cross multiply
    372,023.28x = 513,359.12 × 206,455.44
  4. Step 4: Simplify right side
    372,023.28x = 105,985,782,997.61
  5. Step 5: Solve for x
    x = 105,985,782,997.61/372,023.28
  6. Step 6: Final answer
    x = 284,890.19

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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.