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Finding the Fourth Proportional to 271,718.65, 404,762.29 and 267,247.45

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Solution

The fourth proportional to 271,718.65, 404,762.29 and 267,247.45 is: 398,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,718.65 : 404,762.29 = 267,247.45 : x
  2. Step 2: Convert to fraction form
    271,718.65/404,762.29 = 267,247.45/x
  3. Step 3: Cross multiply
    271,718.65x = 404,762.29 × 267,247.45
  4. Step 4: Simplify right side
    271,718.65x = 108,171,690,526.78
  5. Step 5: Solve for x
    x = 108,171,690,526.78/271,718.65
  6. Step 6: Final answer
    x = 398,101.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.