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Finding the Fourth Proportional to 247,953.93, 371,909.82 and 98,153.49

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Solution

The fourth proportional to 247,953.93, 371,909.82 and 98,153.49 is: 147,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,953.93 : 371,909.82 = 98,153.49 : x
  2. Step 2: Convert to fraction form
    247,953.93/371,909.82 = 98,153.49/x
  3. Step 3: Cross multiply
    247,953.93x = 371,909.82 × 98,153.49
  4. Step 4: Simplify right side
    247,953.93x = 36,504,246,798.27
  5. Step 5: Solve for x
    x = 36,504,246,798.27/247,953.93
  6. Step 6: Final answer
    x = 147,221.89

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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.