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Finding the Fourth Proportional to 254,158.83, 350,729.60 and 140,979.15

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Solution

The fourth proportional to 254,158.83, 350,729.60 and 140,979.15 is: 194,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,158.83 : 350,729.60 = 140,979.15 : x
  2. Step 2: Convert to fraction form
    254,158.83/350,729.60 = 140,979.15/x
  3. Step 3: Cross multiply
    254,158.83x = 350,729.60 × 140,979.15
  4. Step 4: Simplify right side
    254,158.83x = 49,445,560,182.94
  5. Step 5: Solve for x
    x = 49,445,560,182.94/254,158.83
  6. Step 6: Final answer
    x = 194,545.91

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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.