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Finding the Fourth Proportional to 252,697.17, 379,497.53 and 242,538.11

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Solution

The fourth proportional to 252,697.17, 379,497.53 and 242,538.11 is: 364,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,697.17 : 379,497.53 = 242,538.11 : x
  2. Step 2: Convert to fraction form
    252,697.17/379,497.53 = 242,538.11/x
  3. Step 3: Cross multiply
    252,697.17x = 379,497.53 × 242,538.11
  4. Step 4: Simplify right side
    252,697.17x = 92,042,613,675.87
  5. Step 5: Solve for x
    x = 92,042,613,675.87/252,697.17
  6. Step 6: Final answer
    x = 364,240.78

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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.