Home / 218,111.10-327,166.65-215,000.70

Finding the Fourth Proportional to 218,111.10, 327,166.65 and 215,000.70

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Solution

The fourth proportional to 218,111.10, 327,166.65 and 215,000.70 is: 322,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,111.10 : 327,166.65 = 215,000.70 : x
  2. Step 2: Convert to fraction form
    218,111.10/327,166.65 = 215,000.70/x
  3. Step 3: Cross multiply
    218,111.10x = 327,166.65 × 215,000.70
  4. Step 4: Simplify right side
    218,111.10x = 70,341,058,766.66
  5. Step 5: Solve for x
    x = 70,341,058,766.66/218,111.10
  6. Step 6: Final answer
    x = 322,501.05

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1.5x scale

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.