Home / 239,145.12-327,630.24-230,176.80

Finding the Fourth Proportional to 239,145.12, 327,630.24 and 230,176.80

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Solution

The fourth proportional to 239,145.12, 327,630.24 and 230,176.80 is: 315,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,145.12 : 327,630.24 = 230,176.80 : x
  2. Step 2: Convert to fraction form
    239,145.12/327,630.24 = 230,176.80/x
  3. Step 3: Cross multiply
    239,145.12x = 327,630.24 × 230,176.80
  4. Step 4: Simplify right side
    239,145.12x = 75,412,880,226.43
  5. Step 5: Solve for x
    x = 75,412,880,226.43/239,145.12
  6. Step 6: Final answer
    x = 315,343.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.