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Finding the Fourth Proportional to 274,294.80, 411,442.20 and 270,358.20

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Solution

The fourth proportional to 274,294.80, 411,442.20 and 270,358.20 is: 405,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,294.80 : 411,442.20 = 270,358.20 : x
  2. Step 2: Convert to fraction form
    274,294.80/411,442.20 = 270,358.20/x
  3. Step 3: Cross multiply
    274,294.80x = 411,442.20 × 270,358.20
  4. Step 4: Simplify right side
    274,294.80x = 111,236,772,596.04
  5. Step 5: Solve for x
    x = 111,236,772,596.04/274,294.80
  6. Step 6: Final answer
    x = 405,537.30

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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.