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Finding the Fourth Proportional to 370,666.26, 511,517.79 and 200,900.43

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Solution

The fourth proportional to 370,666.26, 511,517.79 and 200,900.43 is: 277,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,666.26 : 511,517.79 = 200,900.43 : x
  2. Step 2: Convert to fraction form
    370,666.26/511,517.79 = 200,900.43/x
  3. Step 3: Cross multiply
    370,666.26x = 511,517.79 × 200,900.43
  4. Step 4: Simplify right side
    370,666.26x = 102,764,143,963.65
  5. Step 5: Solve for x
    x = 102,764,143,963.65/370,666.26
  6. Step 6: Final answer
    x = 277,241.70

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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.