Home / 370,631.28-511,472.94-200,865.36

Finding the Fourth Proportional to 370,631.28, 511,472.94 and 200,865.36

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Solution

The fourth proportional to 370,631.28, 511,472.94 and 200,865.36 is: 277,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,631.28 : 511,472.94 = 200,865.36 : x
  2. Step 2: Convert to fraction form
    370,631.28/511,472.94 = 200,865.36/x
  3. Step 3: Cross multiply
    370,631.28x = 511,472.94 × 200,865.36
  4. Step 4: Simplify right side
    370,631.28x = 102,737,196,223.36
  5. Step 5: Solve for x
    x = 102,737,196,223.36/370,631.28
  6. Step 6: Final answer
    x = 277,195.16

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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.