Home / 272,747.36-409,159.92-132,410

Finding the Fourth Proportional to 272,747.36, 409,159.92 and 132,410

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Solution

The fourth proportional to 272,747.36, 409,159.92 and 132,410 is: 198,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,747.36 : 409,159.92 = 132,410 : x
  2. Step 2: Convert to fraction form
    272,747.36/409,159.92 = 132,410/x
  3. Step 3: Cross multiply
    272,747.36x = 409,159.92 × 132,410
  4. Step 4: Simplify right side
    272,747.36x = 54,176,865,007.20
  5. Step 5: Solve for x
    x = 54,176,865,007.20/272,747.36
  6. Step 6: Final answer
    x = 198,633.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.