Home / 253,205.20-379,747.05-146,358.10

Finding the Fourth Proportional to 253,205.20, 379,747.05 and 146,358.10

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Solution

The fourth proportional to 253,205.20, 379,747.05 and 146,358.10 is: 219,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,205.20 : 379,747.05 = 146,358.10 : x
  2. Step 2: Convert to fraction form
    253,205.20/379,747.05 = 146,358.10/x
  3. Step 3: Cross multiply
    253,205.20x = 379,747.05 × 146,358.10
  4. Step 4: Simplify right side
    253,205.20x = 55,579,056,718.61
  5. Step 5: Solve for x
    x = 55,579,056,718.61/253,205.20
  6. Step 6: Final answer
    x = 219,502.04

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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.