Home / 218,267.20-327,400.80-124,782.40

Finding the Fourth Proportional to 218,267.20, 327,400.80 and 124,782.40

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Solution

The fourth proportional to 218,267.20, 327,400.80 and 124,782.40 is: 187,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,267.20 : 327,400.80 = 124,782.40 : x
  2. Step 2: Convert to fraction form
    218,267.20/327,400.80 = 124,782.40/x
  3. Step 3: Cross multiply
    218,267.20x = 327,400.80 × 124,782.40
  4. Step 4: Simplify right side
    218,267.20x = 40,853,857,585.92
  5. Step 5: Solve for x
    x = 40,853,857,585.92/218,267.20
  6. Step 6: Final answer
    x = 187,173.60

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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.