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Finding the Fourth Proportional to 253,882.92, 378,554.59 and 246,907.76

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Solution

The fourth proportional to 253,882.92, 378,554.59 and 246,907.76 is: 368,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,882.92 : 378,554.59 = 246,907.76 : x
  2. Step 2: Convert to fraction form
    253,882.92/378,554.59 = 246,907.76/x
  3. Step 3: Cross multiply
    253,882.92x = 378,554.59 × 246,907.76
  4. Step 4: Simplify right side
    253,882.92x = 93,468,065,854.62
  5. Step 5: Solve for x
    x = 93,468,065,854.62/253,882.92
  6. Step 6: Final answer
    x = 368,154.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.