Home / 513,110.30-769,813.07-158,174.78

Finding the Fourth Proportional to 513,110.30, 769,813.07 and 158,174.78

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Solution

The fourth proportional to 513,110.30, 769,813.07 and 158,174.78 is: 237,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,110.30 : 769,813.07 = 158,174.78 : x
  2. Step 2: Convert to fraction form
    513,110.30/769,813.07 = 158,174.78/x
  3. Step 3: Cross multiply
    513,110.30x = 769,813.07 × 158,174.78
  4. Step 4: Simplify right side
    513,110.30x = 121,765,008,348.44
  5. Step 5: Solve for x
    x = 121,765,008,348.44/513,110.30
  6. Step 6: Final answer
    x = 237,307.67

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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.