Home / 272,021.10-408,031.65-146,049.90

Finding the Fourth Proportional to 272,021.10, 408,031.65 and 146,049.90

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Solution

The fourth proportional to 272,021.10, 408,031.65 and 146,049.90 is: 219,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,021.10 : 408,031.65 = 146,049.90 : x
  2. Step 2: Convert to fraction form
    272,021.10/408,031.65 = 146,049.90/x
  3. Step 3: Cross multiply
    272,021.10x = 408,031.65 × 146,049.90
  4. Step 4: Simplify right side
    272,021.10x = 59,592,981,679.34
  5. Step 5: Solve for x
    x = 59,592,981,679.34/272,021.10
  6. Step 6: Final answer
    x = 219,074.85

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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.