Home / 278,382-417,368.52-88,733.18

Finding the Fourth Proportional to 278,382, 417,368.52 and 88,733.18

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Solution

The fourth proportional to 278,382, 417,368.52 and 88,733.18 is: 133,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,382 : 417,368.52 = 88,733.18 : x
  2. Step 2: Convert to fraction form
    278,382/417,368.52 = 88,733.18/x
  3. Step 3: Cross multiply
    278,382x = 417,368.52 × 88,733.18
  4. Step 4: Simplify right side
    278,382x = 37,034,436,011.49
  5. Step 5: Solve for x
    x = 37,034,436,011.49/278,382
  6. Step 6: Final answer
    x = 133,034.59

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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.