Home / 218,540.32-327,966-168,670.24

Finding the Fourth Proportional to 218,540.32, 327,966 and 168,670.24

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Solution

The fourth proportional to 218,540.32, 327,966 and 168,670.24 is: 253,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,540.32 : 327,966 = 168,670.24 : x
  2. Step 2: Convert to fraction form
    218,540.32/327,966 = 168,670.24/x
  3. Step 3: Cross multiply
    218,540.32x = 327,966 × 168,670.24
  4. Step 4: Simplify right side
    218,540.32x = 55,318,103,931.84
  5. Step 5: Solve for x
    x = 55,318,103,931.84/218,540.32
  6. Step 6: Final answer
    x = 253,125.39

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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.