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Finding the Fourth Proportional to 338,463.52, 467,079.62 and 187,560.52

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Solution

The fourth proportional to 338,463.52, 467,079.62 and 187,560.52 is: 258,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,463.52 : 467,079.62 = 187,560.52 : x
  2. Step 2: Convert to fraction form
    338,463.52/467,079.62 = 187,560.52/x
  3. Step 3: Cross multiply
    338,463.52x = 467,079.62 × 187,560.52
  4. Step 4: Simplify right side
    338,463.52x = 87,605,696,408.60
  5. Step 5: Solve for x
    x = 87,605,696,408.60/338,463.52
  6. Step 6: Final answer
    x = 258,833.50

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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.