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Finding the Fourth Proportional to 208,951.89, 288,476.67 and 127,310.94

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Solution

The fourth proportional to 208,951.89, 288,476.67 and 127,310.94 is: 175,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,951.89 : 288,476.67 = 127,310.94 : x
  2. Step 2: Convert to fraction form
    208,951.89/288,476.67 = 127,310.94/x
  3. Step 3: Cross multiply
    208,951.89x = 288,476.67 × 127,310.94
  4. Step 4: Simplify right side
    208,951.89x = 36,726,236,025.77
  5. Step 5: Solve for x
    x = 36,726,236,025.77/208,951.89
  6. Step 6: Final answer
    x = 175,764.08

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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.