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Finding the Fourth Proportional to 247,976.82, 372,000.29 and 79,457.76

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Solution

The fourth proportional to 247,976.82, 372,000.29 and 79,457.76 is: 119,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,976.82 : 372,000.29 = 79,457.76 : x
  2. Step 2: Convert to fraction form
    247,976.82/372,000.29 = 79,457.76/x
  3. Step 3: Cross multiply
    247,976.82x = 372,000.29 × 79,457.76
  4. Step 4: Simplify right side
    247,976.82x = 29,558,309,365.46
  5. Step 5: Solve for x
    x = 29,558,309,365.46/247,976.82
  6. Step 6: Final answer
    x = 119,197.87

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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.