Home / 272,748.28-408,985.59-158,932.96

Finding the Fourth Proportional to 272,748.28, 408,985.59 and 158,932.96

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Solution

The fourth proportional to 272,748.28, 408,985.59 and 158,932.96 is: 238,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,748.28 : 408,985.59 = 158,932.96 : x
  2. Step 2: Convert to fraction form
    272,748.28/408,985.59 = 158,932.96/x
  3. Step 3: Cross multiply
    272,748.28x = 408,985.59 × 158,932.96
  4. Step 4: Simplify right side
    272,748.28x = 65,001,290,416.05
  5. Step 5: Solve for x
    x = 65,001,290,416.05/272,748.28
  6. Step 6: Final answer
    x = 238,319.71

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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.