Home / 242,327.80-363,549.20-76,115.80

Finding the Fourth Proportional to 242,327.80, 363,549.20 and 76,115.80

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Solution

The fourth proportional to 242,327.80, 363,549.20 and 76,115.80 is: 114,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,327.80 : 363,549.20 = 76,115.80 : x
  2. Step 2: Convert to fraction form
    242,327.80/363,549.20 = 76,115.80/x
  3. Step 3: Cross multiply
    242,327.80x = 363,549.20 × 76,115.80
  4. Step 4: Simplify right side
    242,327.80x = 27,671,838,197.36
  5. Step 5: Solve for x
    x = 27,671,838,197.36/242,327.80
  6. Step 6: Final answer
    x = 114,191.76

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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.