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Finding the Fourth Proportional to 370,631.88, 511,472.88 and 200,865.96

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Solution

The fourth proportional to 370,631.88, 511,472.88 and 200,865.96 is: 277,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,631.88 : 511,472.88 = 200,865.96 : x
  2. Step 2: Convert to fraction form
    370,631.88/511,472.88 = 200,865.96/x
  3. Step 3: Cross multiply
    370,631.88x = 511,472.88 × 200,865.96
  4. Step 4: Simplify right side
    370,631.88x = 102,737,491,055.17
  5. Step 5: Solve for x
    x = 102,737,491,055.17/370,631.88
  6. Step 6: Final answer
    x = 277,195.50

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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.