Home / 274,550.20-411,825.30-212,265.40

Finding the Fourth Proportional to 274,550.20, 411,825.30 and 212,265.40

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Solution

The fourth proportional to 274,550.20, 411,825.30 and 212,265.40 is: 318,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,550.20 : 411,825.30 = 212,265.40 : x
  2. Step 2: Convert to fraction form
    274,550.20/411,825.30 = 212,265.40/x
  3. Step 3: Cross multiply
    274,550.20x = 411,825.30 × 212,265.40
  4. Step 4: Simplify right side
    274,550.20x = 87,416,262,034.62
  5. Step 5: Solve for x
    x = 87,416,262,034.62/274,550.20
  6. Step 6: Final answer
    x = 318,398.10

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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.