Home / 278,210.55-417,359.25-88,713.39

Finding the Fourth Proportional to 278,210.55, 417,359.25 and 88,713.39

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Solution

The fourth proportional to 278,210.55, 417,359.25 and 88,713.39 is: 133,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,210.55 : 417,359.25 = 88,713.39 : x
  2. Step 2: Convert to fraction form
    278,210.55/417,359.25 = 88,713.39/x
  3. Step 3: Cross multiply
    278,210.55x = 417,359.25 × 88,713.39
  4. Step 4: Simplify right side
    278,210.55x = 37,025,353,915.36
  5. Step 5: Solve for x
    x = 37,025,353,915.36/278,210.55
  6. Step 6: Final answer
    x = 133,083.93

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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.