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Finding the Fourth Proportional to 366,958.60, 550,437.90 and 266,648.20

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Solution

The fourth proportional to 366,958.60, 550,437.90 and 266,648.20 is: 399,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,958.60 : 550,437.90 = 266,648.20 : x
  2. Step 2: Convert to fraction form
    366,958.60/550,437.90 = 266,648.20/x
  3. Step 3: Cross multiply
    366,958.60x = 550,437.90 × 266,648.20
  4. Step 4: Simplify right side
    366,958.60x = 146,773,275,246.78
  5. Step 5: Solve for x
    x = 146,773,275,246.78/366,958.60
  6. Step 6: Final answer
    x = 399,972.30

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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.