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Finding the Fourth Proportional to 200,941.56, 277,251.66 and 129,344.76

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Solution

The fourth proportional to 200,941.56, 277,251.66 and 129,344.76 is: 178,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,941.56 : 277,251.66 = 129,344.76 : x
  2. Step 2: Convert to fraction form
    200,941.56/277,251.66 = 129,344.76/x
  3. Step 3: Cross multiply
    200,941.56x = 277,251.66 × 129,344.76
  4. Step 4: Simplify right side
    200,941.56x = 35,861,049,422.30
  5. Step 5: Solve for x
    x = 35,861,049,422.30/200,941.56
  6. Step 6: Final answer
    x = 178,465.07

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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.