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Finding the Fourth Proportional to 240,728.08, 332,149.80 and 154,732

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Solution

The fourth proportional to 240,728.08, 332,149.80 and 154,732 is: 213,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,728.08 : 332,149.80 = 154,732 : x
  2. Step 2: Convert to fraction form
    240,728.08/332,149.80 = 154,732/x
  3. Step 3: Cross multiply
    240,728.08x = 332,149.80 × 154,732
  4. Step 4: Simplify right side
    240,728.08x = 51,394,202,853.60
  5. Step 5: Solve for x
    x = 51,394,202,853.60/240,728.08
  6. Step 6: Final answer
    x = 213,494.84

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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.