Home / 227,589.20-341,383.80-143,608.40

Finding the Fourth Proportional to 227,589.20, 341,383.80 and 143,608.40

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Solution

The fourth proportional to 227,589.20, 341,383.80 and 143,608.40 is: 215,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,589.20 : 341,383.80 = 143,608.40 : x
  2. Step 2: Convert to fraction form
    227,589.20/341,383.80 = 143,608.40/x
  3. Step 3: Cross multiply
    227,589.20x = 341,383.80 × 143,608.40
  4. Step 4: Simplify right side
    227,589.20x = 49,025,581,303.92
  5. Step 5: Solve for x
    x = 49,025,581,303.92/227,589.20
  6. Step 6: Final answer
    x = 215,412.60

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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.