Home / 278,333.16-417,501-118,367.88

Finding the Fourth Proportional to 278,333.16, 417,501 and 118,367.88

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Solution

The fourth proportional to 278,333.16, 417,501 and 118,367.88 is: 177,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,333.16 : 417,501 = 118,367.88 : x
  2. Step 2: Convert to fraction form
    278,333.16/417,501 = 118,367.88/x
  3. Step 3: Cross multiply
    278,333.16x = 417,501 × 118,367.88
  4. Step 4: Simplify right side
    278,333.16x = 49,418,708,267.88
  5. Step 5: Solve for x
    x = 49,418,708,267.88/278,333.16
  6. Step 6: Final answer
    x = 177,552.36

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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.