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Finding the Fourth Proportional to 308,182.53, 460,016.97 and 271,781.20

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Solution

The fourth proportional to 308,182.53, 460,016.97 and 271,781.20 is: 405,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,182.53 : 460,016.97 = 271,781.20 : x
  2. Step 2: Convert to fraction form
    308,182.53/460,016.97 = 271,781.20/x
  3. Step 3: Cross multiply
    308,182.53x = 460,016.97 × 271,781.20
  4. Step 4: Simplify right side
    308,182.53x = 125,023,964,126.96
  5. Step 5: Solve for x
    x = 125,023,964,126.96/308,182.53
  6. Step 6: Final answer
    x = 405,681.54

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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.