Home / 280,394.24-386,943.68-179,792

Finding the Fourth Proportional to 280,394.24, 386,943.68 and 179,792

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Solution

The fourth proportional to 280,394.24, 386,943.68 and 179,792 is: 248,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,394.24 : 386,943.68 = 179,792 : x
  2. Step 2: Convert to fraction form
    280,394.24/386,943.68 = 179,792/x
  3. Step 3: Cross multiply
    280,394.24x = 386,943.68 × 179,792
  4. Step 4: Simplify right side
    280,394.24x = 69,569,378,114.56
  5. Step 5: Solve for x
    x = 69,569,378,114.56/280,394.24
  6. Step 6: Final answer
    x = 248,112.72

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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.