Home / 242,385.05-363,607.55-82,487.81

Finding the Fourth Proportional to 242,385.05, 363,607.55 and 82,487.81

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Solution

The fourth proportional to 242,385.05, 363,607.55 and 82,487.81 is: 123,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,385.05 : 363,607.55 = 82,487.81 : x
  2. Step 2: Convert to fraction form
    242,385.05/363,607.55 = 82,487.81/x
  3. Step 3: Cross multiply
    242,385.05x = 363,607.55 × 82,487.81
  4. Step 4: Simplify right side
    242,385.05x = 29,993,190,498.97
  5. Step 5: Solve for x
    x = 29,993,190,498.97/242,385.05
  6. Step 6: Final answer
    x = 123,741.92

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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.