Home / 277,432.11-382,856.28-150,107.71

Finding the Fourth Proportional to 277,432.11, 382,856.28 and 150,107.71

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Solution

The fourth proportional to 277,432.11, 382,856.28 and 150,107.71 is: 207,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,432.11 : 382,856.28 = 150,107.71 : x
  2. Step 2: Convert to fraction form
    277,432.11/382,856.28 = 150,107.71/x
  3. Step 3: Cross multiply
    277,432.11x = 382,856.28 × 150,107.71
  4. Step 4: Simplify right side
    277,432.11x = 57,469,679,449.92
  5. Step 5: Solve for x
    x = 57,469,679,449.92/277,432.11
  6. Step 6: Final answer
    x = 207,148.62

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1.5x scale

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.