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Finding the Fourth Proportional to 542,159.17, 748,181.40 and 300,445.72

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Solution

The fourth proportional to 542,159.17, 748,181.40 and 300,445.72 is: 414,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,159.17 : 748,181.40 = 300,445.72 : x
  2. Step 2: Convert to fraction form
    542,159.17/748,181.40 = 300,445.72/x
  3. Step 3: Cross multiply
    542,159.17x = 748,181.40 × 300,445.72
  4. Step 4: Simplify right side
    542,159.17x = 224,787,899,413.61
  5. Step 5: Solve for x
    x = 224,787,899,413.61/542,159.17
  6. Step 6: Final answer
    x = 414,616.06

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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.