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Finding the Fourth Proportional to 215,472.52, 297,271.32 and 124,795.44

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Solution

The fourth proportional to 215,472.52, 297,271.32 and 124,795.44 is: 172,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,472.52 : 297,271.32 = 124,795.44 : x
  2. Step 2: Convert to fraction form
    215,472.52/297,271.32 = 124,795.44/x
  3. Step 3: Cross multiply
    215,472.52x = 297,271.32 × 124,795.44
  4. Step 4: Simplify right side
    215,472.52x = 37,098,105,178.78
  5. Step 5: Solve for x
    x = 37,098,105,178.78/215,472.52
  6. Step 6: Final answer
    x = 172,170.93

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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.