Home / 370,699.92-511,565.40-200,934

Finding the Fourth Proportional to 370,699.92, 511,565.40 and 200,934

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Solution

The fourth proportional to 370,699.92, 511,565.40 and 200,934 is: 277,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,699.92 : 511,565.40 = 200,934 : x
  2. Step 2: Convert to fraction form
    370,699.92/511,565.40 = 200,934/x
  3. Step 3: Cross multiply
    370,699.92x = 511,565.40 × 200,934
  4. Step 4: Simplify right side
    370,699.92x = 102,790,882,083.60
  5. Step 5: Solve for x
    x = 102,790,882,083.60/370,699.92
  6. Step 6: Final answer
    x = 277,288.65

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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.