Home / 218,426.70-327,640.05-173,811.90

Finding the Fourth Proportional to 218,426.70, 327,640.05 and 173,811.90

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Solution

The fourth proportional to 218,426.70, 327,640.05 and 173,811.90 is: 260,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,426.70 : 327,640.05 = 173,811.90 : x
  2. Step 2: Convert to fraction form
    218,426.70/327,640.05 = 173,811.90/x
  3. Step 3: Cross multiply
    218,426.70x = 327,640.05 × 173,811.90
  4. Step 4: Simplify right side
    218,426.70x = 56,947,739,606.60
  5. Step 5: Solve for x
    x = 56,947,739,606.60/218,426.70
  6. Step 6: Final answer
    x = 260,717.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.