Home / 319,481.06-479,139.58-94,788.34

Finding the Fourth Proportional to 319,481.06, 479,139.58 and 94,788.34

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Solution

The fourth proportional to 319,481.06, 479,139.58 and 94,788.34 is: 142,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,481.06 : 479,139.58 = 94,788.34 : x
  2. Step 2: Convert to fraction form
    319,481.06/479,139.58 = 94,788.34/x
  3. Step 3: Cross multiply
    319,481.06x = 479,139.58 × 94,788.34
  4. Step 4: Simplify right side
    319,481.06x = 45,416,844,744.33
  5. Step 5: Solve for x
    x = 45,416,844,744.33/319,481.06
  6. Step 6: Final answer
    x = 142,158.18

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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.