Home / 278,014.14-383,659.92-150,689.70

Finding the Fourth Proportional to 278,014.14, 383,659.92 and 150,689.70

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Solution

The fourth proportional to 278,014.14, 383,659.92 and 150,689.70 is: 207,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,014.14 : 383,659.92 = 150,689.70 : x
  2. Step 2: Convert to fraction form
    278,014.14/383,659.92 = 150,689.70/x
  3. Step 3: Cross multiply
    278,014.14x = 383,659.92 × 150,689.70
  4. Step 4: Simplify right side
    278,014.14x = 57,813,598,246.82
  5. Step 5: Solve for x
    x = 57,813,598,246.82/278,014.14
  6. Step 6: Final answer
    x = 207,952.01

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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.