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Finding the Fourth Proportional to 332,540.80, 458,901.12 and 181,634.56

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Solution

The fourth proportional to 332,540.80, 458,901.12 and 181,634.56 is: 250,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,540.80 : 458,901.12 = 181,634.56 : x
  2. Step 2: Convert to fraction form
    332,540.80/458,901.12 = 181,634.56/x
  3. Step 3: Cross multiply
    332,540.80x = 458,901.12 × 181,634.56
  4. Step 4: Simplify right side
    332,540.80x = 83,352,303,014.71
  5. Step 5: Solve for x
    x = 83,352,303,014.71/332,540.80
  6. Step 6: Final answer
    x = 250,652.86

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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.