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Finding the Fourth Proportional to 278,488.44, 417,800.70 and 88,948.85

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Solution

The fourth proportional to 278,488.44, 417,800.70 and 88,948.85 is: 133,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,488.44 : 417,800.70 = 88,948.85 : x
  2. Step 2: Convert to fraction form
    278,488.44/417,800.70 = 88,948.85/x
  3. Step 3: Cross multiply
    278,488.44x = 417,800.70 × 88,948.85
  4. Step 4: Simplify right side
    278,488.44x = 37,162,889,705.19
  5. Step 5: Solve for x
    x = 37,162,889,705.19/278,488.44
  6. Step 6: Final answer
    x = 133,445.00

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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.