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Finding the Fourth Proportional to 542,160.17, 748,182.78 and 300,446.72

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Solution

The fourth proportional to 542,160.17, 748,182.78 and 300,446.72 is: 414,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,160.17 : 748,182.78 = 300,446.72 : x
  2. Step 2: Convert to fraction form
    542,160.17/748,182.78 = 300,446.72/x
  3. Step 3: Cross multiply
    542,160.17x = 748,182.78 × 300,446.72
  4. Step 4: Simplify right side
    542,160.17x = 224,789,062,211.48
  5. Step 5: Solve for x
    x = 224,789,062,211.48/542,160.17
  6. Step 6: Final answer
    x = 414,617.44

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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.