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Finding the Fourth Proportional to 268,191.24, 370,170.42 and 154,997.64

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Solution

The fourth proportional to 268,191.24, 370,170.42 and 154,997.64 is: 213,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,191.24 : 370,170.42 = 154,997.64 : x
  2. Step 2: Convert to fraction form
    268,191.24/370,170.42 = 154,997.64/x
  3. Step 3: Cross multiply
    268,191.24x = 370,170.42 × 154,997.64
  4. Step 4: Simplify right side
    268,191.24x = 57,375,541,497.81
  5. Step 5: Solve for x
    x = 57,375,541,497.81/268,191.24
  6. Step 6: Final answer
    x = 213,935.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.