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Finding the Fourth Proportional to 179,874, 247,995.36 and 147,489.30

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Solution

The fourth proportional to 179,874, 247,995.36 and 147,489.30 is: 203,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,874 : 247,995.36 = 147,489.30 : x
  2. Step 2: Convert to fraction form
    179,874/247,995.36 = 147,489.30/x
  3. Step 3: Cross multiply
    179,874x = 247,995.36 × 147,489.30
  4. Step 4: Simplify right side
    179,874x = 36,576,662,049.65
  5. Step 5: Solve for x
    x = 36,576,662,049.65/179,874
  6. Step 6: Final answer
    x = 203,346.02

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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.