Home / 239,179.12-327,677-230,210.80

Finding the Fourth Proportional to 239,179.12, 327,677 and 230,210.80

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Solution

The fourth proportional to 239,179.12, 327,677 and 230,210.80 is: 315,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,179.12 : 327,677 = 230,210.80 : x
  2. Step 2: Convert to fraction form
    239,179.12/327,677 = 230,210.80/x
  3. Step 3: Cross multiply
    239,179.12x = 327,677 × 230,210.80
  4. Step 4: Simplify right side
    239,179.12x = 75,434,784,311.60
  5. Step 5: Solve for x
    x = 75,434,784,311.60/239,179.12
  6. Step 6: Final answer
    x = 315,390.34

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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.