Home / 451,001.45-676,013.13-225,819.02

Finding the Fourth Proportional to 451,001.45, 676,013.13 and 225,819.02

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Solution

The fourth proportional to 451,001.45, 676,013.13 and 225,819.02 is: 338,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,001.45 : 676,013.13 = 225,819.02 : x
  2. Step 2: Convert to fraction form
    451,001.45/676,013.13 = 225,819.02/x
  3. Step 3: Cross multiply
    451,001.45x = 676,013.13 × 225,819.02
  4. Step 4: Simplify right side
    451,001.45x = 152,656,619,143.67
  5. Step 5: Solve for x
    x = 152,656,619,143.67/451,001.45
  6. Step 6: Final answer
    x = 338,483.66

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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.