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Finding the Fourth Proportional to 274,213.01, 411,462.95 and 112,227.30

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Solution

The fourth proportional to 274,213.01, 411,462.95 and 112,227.30 is: 168,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,213.01 : 411,462.95 = 112,227.30 : x
  2. Step 2: Convert to fraction form
    274,213.01/411,462.95 = 112,227.30/x
  3. Step 3: Cross multiply
    274,213.01x = 411,462.95 × 112,227.30
  4. Step 4: Simplify right side
    274,213.01x = 46,177,375,946.06
  5. Step 5: Solve for x
    x = 46,177,375,946.06/274,213.01
  6. Step 6: Final answer
    x = 168,399.65

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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.