Home / 366,919.85-550,379.78-278,346.35

Finding the Fourth Proportional to 366,919.85, 550,379.78 and 278,346.35

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Solution

The fourth proportional to 366,919.85, 550,379.78 and 278,346.35 is: 417,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.85 : 550,379.78 = 278,346.35 : x
  2. Step 2: Convert to fraction form
    366,919.85/550,379.78 = 278,346.35/x
  3. Step 3: Cross multiply
    366,919.85x = 550,379.78 × 278,346.35
  4. Step 4: Simplify right side
    366,919.85x = 153,196,202,876.80
  5. Step 5: Solve for x
    x = 153,196,202,876.80/366,919.85
  6. Step 6: Final answer
    x = 417,519.53

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Similar ratio
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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.