Home / 260,999.03-391,484.14-71,445.67

Finding the Fourth Proportional to 260,999.03, 391,484.14 and 71,445.67

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Solution

The fourth proportional to 260,999.03, 391,484.14 and 71,445.67 is: 107,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,999.03 : 391,484.14 = 71,445.67 : x
  2. Step 2: Convert to fraction form
    260,999.03/391,484.14 = 71,445.67/x
  3. Step 3: Cross multiply
    260,999.03x = 391,484.14 × 71,445.67
  4. Step 4: Simplify right side
    260,999.03x = 27,969,845,519.35
  5. Step 5: Solve for x
    x = 27,969,845,519.35/260,999.03
  6. Step 6: Final answer
    x = 107,164.56

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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.