Home / 291,337.85-402,108.27-195,789.18

Finding the Fourth Proportional to 291,337.85, 402,108.27 and 195,789.18

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Solution

The fourth proportional to 291,337.85, 402,108.27 and 195,789.18 is: 270,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,337.85 : 402,108.27 = 195,789.18 : x
  2. Step 2: Convert to fraction form
    291,337.85/402,108.27 = 195,789.18/x
  3. Step 3: Cross multiply
    291,337.85x = 402,108.27 × 195,789.18
  4. Step 4: Simplify right side
    291,337.85x = 78,728,449,228.22
  5. Step 5: Solve for x
    x = 78,728,449,228.22/291,337.85
  6. Step 6: Final answer
    x = 270,230.76

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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.