Home / 278,231.04-417,350.96-67,872.96

Finding the Fourth Proportional to 278,231.04, 417,350.96 and 67,872.96

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Solution

The fourth proportional to 278,231.04, 417,350.96 and 67,872.96 is: 101,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,231.04 : 417,350.96 = 67,872.96 : x
  2. Step 2: Convert to fraction form
    278,231.04/417,350.96 = 67,872.96/x
  3. Step 3: Cross multiply
    278,231.04x = 417,350.96 × 67,872.96
  4. Step 4: Simplify right side
    278,231.04x = 28,326,845,014.04
  5. Step 5: Solve for x
    x = 28,326,845,014.04/278,231.04
  6. Step 6: Final answer
    x = 101,810.51

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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.