Home / 218,975.92-328,245.18-188,868.22

Finding the Fourth Proportional to 218,975.92, 328,245.18 and 188,868.22

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Solution

The fourth proportional to 218,975.92, 328,245.18 and 188,868.22 is: 283,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,975.92 : 328,245.18 = 188,868.22 : x
  2. Step 2: Convert to fraction form
    218,975.92/328,245.18 = 188,868.22/x
  3. Step 3: Cross multiply
    218,975.92x = 328,245.18 × 188,868.22
  4. Step 4: Simplify right side
    218,975.92x = 61,995,082,870.18
  5. Step 5: Solve for x
    x = 61,995,082,870.18/218,975.92
  6. Step 6: Final answer
    x = 283,113.70

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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.