Home / 427,243.01-641,249.72-227,729.57

Finding the Fourth Proportional to 427,243.01, 641,249.72 and 227,729.57

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Solution

The fourth proportional to 427,243.01, 641,249.72 and 227,729.57 is: 341,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,243.01 : 641,249.72 = 227,729.57 : x
  2. Step 2: Convert to fraction form
    427,243.01/641,249.72 = 227,729.57/x
  3. Step 3: Cross multiply
    427,243.01x = 641,249.72 × 227,729.57
  4. Step 4: Simplify right side
    427,243.01x = 146,031,521,859.57
  5. Step 5: Solve for x
    x = 146,031,521,859.57/427,243.01
  6. Step 6: Final answer
    x = 341,799.67

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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.