Home / 218,920.95-327,741.66-197,909.35

Finding the Fourth Proportional to 218,920.95, 327,741.66 and 197,909.35

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Solution

The fourth proportional to 218,920.95, 327,741.66 and 197,909.35 is: 296,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,920.95 : 327,741.66 = 197,909.35 : x
  2. Step 2: Convert to fraction form
    218,920.95/327,741.66 = 197,909.35/x
  3. Step 3: Cross multiply
    218,920.95x = 327,741.66 × 197,909.35
  4. Step 4: Simplify right side
    218,920.95x = 64,863,138,079.17
  5. Step 5: Solve for x
    x = 64,863,138,079.17/218,920.95
  6. Step 6: Final answer
    x = 296,285.66

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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.