Home / 259,487.12-358,294.92-203,059.28

Finding the Fourth Proportional to 259,487.12, 358,294.92 and 203,059.28

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Solution

The fourth proportional to 259,487.12, 358,294.92 and 203,059.28 is: 280,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,487.12 : 358,294.92 = 203,059.28 : x
  2. Step 2: Convert to fraction form
    259,487.12/358,294.92 = 203,059.28/x
  3. Step 3: Cross multiply
    259,487.12x = 358,294.92 × 203,059.28
  4. Step 4: Simplify right side
    259,487.12x = 72,755,108,482.86
  5. Step 5: Solve for x
    x = 72,755,108,482.86/259,487.12
  6. Step 6: Final answer
    x = 280,380.42

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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.