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Finding the Fourth Proportional to 366,959.85, 550,439.78 and 266,908.65

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Solution

The fourth proportional to 366,959.85, 550,439.78 and 266,908.65 is: 400,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,959.85 : 550,439.78 = 266,908.65 : x
  2. Step 2: Convert to fraction form
    366,959.85/550,439.78 = 266,908.65/x
  3. Step 3: Cross multiply
    366,959.85x = 550,439.78 × 266,908.65
  4. Step 4: Simplify right side
    366,959.85x = 146,917,137,251.55
  5. Step 5: Solve for x
    x = 146,917,137,251.55/366,959.85
  6. Step 6: Final answer
    x = 400,362.98

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Similar ratio
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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.