Home / 372,100.76-558,432.03-272,519.13

Finding the Fourth Proportional to 372,100.76, 558,432.03 and 272,519.13

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Solution

The fourth proportional to 372,100.76, 558,432.03 and 272,519.13 is: 408,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,100.76 : 558,432.03 = 272,519.13 : x
  2. Step 2: Convert to fraction form
    372,100.76/558,432.03 = 272,519.13/x
  3. Step 3: Cross multiply
    372,100.76x = 558,432.03 × 272,519.13
  4. Step 4: Simplify right side
    372,100.76x = 152,183,410,979.73
  5. Step 5: Solve for x
    x = 152,183,410,979.73/372,100.76
  6. Step 6: Final answer
    x = 408,984.41

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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.