Home / 264,586.20-396,879.30-212,098.20

Finding the Fourth Proportional to 264,586.20, 396,879.30 and 212,098.20

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Solution

The fourth proportional to 264,586.20, 396,879.30 and 212,098.20 is: 318,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,586.20 : 396,879.30 = 212,098.20 : x
  2. Step 2: Convert to fraction form
    264,586.20/396,879.30 = 212,098.20/x
  3. Step 3: Cross multiply
    264,586.20x = 396,879.30 × 212,098.20
  4. Step 4: Simplify right side
    264,586.20x = 84,177,385,147.26
  5. Step 5: Solve for x
    x = 84,177,385,147.26/264,586.20
  6. Step 6: Final answer
    x = 318,147.30

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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.