Home / 319,789.35-479,640.33-95,184.45

Finding the Fourth Proportional to 319,789.35, 479,640.33 and 95,184.45

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Solution

The fourth proportional to 319,789.35, 479,640.33 and 95,184.45 is: 142,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,789.35 : 479,640.33 = 95,184.45 : x
  2. Step 2: Convert to fraction form
    319,789.35/479,640.33 = 95,184.45/x
  3. Step 3: Cross multiply
    319,789.35x = 479,640.33 × 95,184.45
  4. Step 4: Simplify right side
    319,789.35x = 45,654,301,008.87
  5. Step 5: Solve for x
    x = 45,654,301,008.87/319,789.35
  6. Step 6: Final answer
    x = 142,763.67

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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.