Home / 280,397.24-386,947.82-179,795

Finding the Fourth Proportional to 280,397.24, 386,947.82 and 179,795

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Solution

The fourth proportional to 280,397.24, 386,947.82 and 179,795 is: 248,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,397.24 : 386,947.82 = 179,795 : x
  2. Step 2: Convert to fraction form
    280,397.24/386,947.82 = 179,795/x
  3. Step 3: Cross multiply
    280,397.24x = 386,947.82 × 179,795
  4. Step 4: Simplify right side
    280,397.24x = 69,571,283,296.90
  5. Step 5: Solve for x
    x = 69,571,283,296.90/280,397.24
  6. Step 6: Final answer
    x = 248,116.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.