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Finding the Fourth Proportional to 392,301.02, 541,432.48 and 220,290.13

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Solution

The fourth proportional to 392,301.02, 541,432.48 and 220,290.13 is: 304,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,301.02 : 541,432.48 = 220,290.13 : x
  2. Step 2: Convert to fraction form
    392,301.02/541,432.48 = 220,290.13/x
  3. Step 3: Cross multiply
    392,301.02x = 541,432.48 × 220,290.13
  4. Step 4: Simplify right side
    392,301.02x = 119,272,229,501.12
  5. Step 5: Solve for x
    x = 119,272,229,501.12/392,301.02
  6. Step 6: Final answer
    x = 304,032.42

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1.5x scale

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.