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Finding the Fourth Proportional to 251,797.69, 377,359.64 and 123,517.86

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Solution

The fourth proportional to 251,797.69, 377,359.64 and 123,517.86 is: 185,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,797.69 : 377,359.64 = 123,517.86 : x
  2. Step 2: Convert to fraction form
    251,797.69/377,359.64 = 123,517.86/x
  3. Step 3: Cross multiply
    251,797.69x = 377,359.64 × 123,517.86
  4. Step 4: Simplify right side
    251,797.69x = 46,610,654,308.46
  5. Step 5: Solve for x
    x = 46,610,654,308.46/251,797.69
  6. Step 6: Final answer
    x = 185,111.52

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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.