Home / 372,286.20-558,429.30-147,700.20

Finding the Fourth Proportional to 372,286.20, 558,429.30 and 147,700.20

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Solution

The fourth proportional to 372,286.20, 558,429.30 and 147,700.20 is: 221,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,286.20 : 558,429.30 = 147,700.20 : x
  2. Step 2: Convert to fraction form
    372,286.20/558,429.30 = 147,700.20/x
  3. Step 3: Cross multiply
    372,286.20x = 558,429.30 × 147,700.20
  4. Step 4: Simplify right side
    372,286.20x = 82,480,119,295.86
  5. Step 5: Solve for x
    x = 82,480,119,295.86/372,286.20
  6. Step 6: Final answer
    x = 221,550.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.