Home / 218,278.20-327,417.30-165,790.20

Finding the Fourth Proportional to 218,278.20, 327,417.30 and 165,790.20

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Solution

The fourth proportional to 218,278.20, 327,417.30 and 165,790.20 is: 248,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,278.20 : 327,417.30 = 165,790.20 : x
  2. Step 2: Convert to fraction form
    218,278.20/327,417.30 = 165,790.20/x
  3. Step 3: Cross multiply
    218,278.20x = 327,417.30 × 165,790.20
  4. Step 4: Simplify right side
    218,278.20x = 54,282,579,650.46
  5. Step 5: Solve for x
    x = 54,282,579,650.46/218,278.20
  6. Step 6: Final answer
    x = 248,685.30

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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.