Home / 484,179.37-668,248.61-280,195.14

Finding the Fourth Proportional to 484,179.37, 668,248.61 and 280,195.14

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Solution

The fourth proportional to 484,179.37, 668,248.61 and 280,195.14 is: 386,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,179.37 : 668,248.61 = 280,195.14 : x
  2. Step 2: Convert to fraction form
    484,179.37/668,248.61 = 280,195.14/x
  3. Step 3: Cross multiply
    484,179.37x = 668,248.61 × 280,195.14
  4. Step 4: Simplify right side
    484,179.37x = 187,240,011,432.78
  5. Step 5: Solve for x
    x = 187,240,011,432.78/484,179.37
  6. Step 6: Final answer
    x = 386,716.21

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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.