Home / 545,769.20-819,042.60-230,452.40

Finding the Fourth Proportional to 545,769.20, 819,042.60 and 230,452.40

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Solution

The fourth proportional to 545,769.20, 819,042.60 and 230,452.40 is: 345,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,769.20 : 819,042.60 = 230,452.40 : x
  2. Step 2: Convert to fraction form
    545,769.20/819,042.60 = 230,452.40/x
  3. Step 3: Cross multiply
    545,769.20x = 819,042.60 × 230,452.40
  4. Step 4: Simplify right side
    545,769.20x = 188,750,332,872.24
  5. Step 5: Solve for x
    x = 188,750,332,872.24/545,769.20
  6. Step 6: Final answer
    x = 345,842.77

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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.