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Finding the Fourth Proportional to 542,168.18, 748,196.42 and 300,454.76

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Solution

The fourth proportional to 542,168.18, 748,196.42 and 300,454.76 is: 414,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,168.18 : 748,196.42 = 300,454.76 : x
  2. Step 2: Convert to fraction form
    542,168.18/748,196.42 = 300,454.76/x
  3. Step 3: Cross multiply
    542,168.18x = 748,196.42 × 300,454.76
  4. Step 4: Simplify right side
    542,168.18x = 224,799,173,366.44
  5. Step 5: Solve for x
    x = 224,799,173,366.44/542,168.18
  6. Step 6: Final answer
    x = 414,629.97

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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.