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Finding the Fourth Proportional to 242,155.98, 363,191.04 and 73,635.48

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Solution

The fourth proportional to 242,155.98, 363,191.04 and 73,635.48 is: 110,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,155.98 : 363,191.04 = 73,635.48 : x
  2. Step 2: Convert to fraction form
    242,155.98/363,191.04 = 73,635.48/x
  3. Step 3: Cross multiply
    242,155.98x = 363,191.04 × 73,635.48
  4. Step 4: Simplify right side
    242,155.98x = 26,743,746,562.10
  5. Step 5: Solve for x
    x = 26,743,746,562.10/242,155.98
  6. Step 6: Final answer
    x = 110,440.17

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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.