Home / 313,565.08-432,553.90-198,640.96

Finding the Fourth Proportional to 313,565.08, 432,553.90 and 198,640.96

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Solution

The fourth proportional to 313,565.08, 432,553.90 and 198,640.96 is: 274,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,565.08 : 432,553.90 = 198,640.96 : x
  2. Step 2: Convert to fraction form
    313,565.08/432,553.90 = 198,640.96/x
  3. Step 3: Cross multiply
    313,565.08x = 432,553.90 × 198,640.96
  4. Step 4: Simplify right side
    313,565.08x = 85,922,921,947.74
  5. Step 5: Solve for x
    x = 85,922,921,947.74/313,565.08
  6. Step 6: Final answer
    x = 274,019.42

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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.