Home / 218,350.66-327,307.35-92,021.38

Finding the Fourth Proportional to 218,350.66, 327,307.35 and 92,021.38

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Solution

The fourth proportional to 218,350.66, 327,307.35 and 92,021.38 is: 137,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,350.66 : 327,307.35 = 92,021.38 : x
  2. Step 2: Convert to fraction form
    218,350.66/327,307.35 = 92,021.38/x
  3. Step 3: Cross multiply
    218,350.66x = 327,307.35 × 92,021.38
  4. Step 4: Simplify right side
    218,350.66x = 30,119,274,031.14
  5. Step 5: Solve for x
    x = 30,119,274,031.14/218,350.66
  6. Step 6: Final answer
    x = 137,939.93

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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.