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Finding the Fourth Proportional to 270,757.73, 406,146.02 and 128,529.73

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Solution

The fourth proportional to 270,757.73, 406,146.02 and 128,529.73 is: 192,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,757.73 : 406,146.02 = 128,529.73 : x
  2. Step 2: Convert to fraction form
    270,757.73/406,146.02 = 128,529.73/x
  3. Step 3: Cross multiply
    270,757.73x = 406,146.02 × 128,529.73
  4. Step 4: Simplify right side
    270,757.73x = 52,201,839,630.16
  5. Step 5: Solve for x
    x = 52,201,839,630.16/270,757.73
  6. Step 6: Final answer
    x = 192,799.07

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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.