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Finding the Fourth Proportional to 272,625, 376,230.86 and 148,454.20

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Solution

The fourth proportional to 272,625, 376,230.86 and 148,454.20 is: 204,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,625 : 376,230.86 = 148,454.20 : x
  2. Step 2: Convert to fraction form
    272,625/376,230.86 = 148,454.20/x
  3. Step 3: Cross multiply
    272,625x = 376,230.86 × 148,454.20
  4. Step 4: Simplify right side
    272,625x = 55,853,051,336.61
  5. Step 5: Solve for x
    x = 55,853,051,336.61/272,625
  6. Step 6: Final answer
    x = 204,871.35

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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.