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Finding the Fourth Proportional to 242,229.78, 334,277.10 and 136,245.78

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Solution

The fourth proportional to 242,229.78, 334,277.10 and 136,245.78 is: 188,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,229.78 : 334,277.10 = 136,245.78 : x
  2. Step 2: Convert to fraction form
    242,229.78/334,277.10 = 136,245.78/x
  3. Step 3: Cross multiply
    242,229.78x = 334,277.10 × 136,245.78
  4. Step 4: Simplify right side
    242,229.78x = 45,543,844,225.64
  5. Step 5: Solve for x
    x = 45,543,844,225.64/242,229.78
  6. Step 6: Final answer
    x = 188,019.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.