Home / 486,209.03-729,313.56-131,222.48

Finding the Fourth Proportional to 486,209.03, 729,313.56 and 131,222.48

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Solution

The fourth proportional to 486,209.03, 729,313.56 and 131,222.48 is: 196,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,209.03 : 729,313.56 = 131,222.48 : x
  2. Step 2: Convert to fraction form
    486,209.03/729,313.56 = 131,222.48/x
  3. Step 3: Cross multiply
    486,209.03x = 729,313.56 × 131,222.48
  4. Step 4: Simplify right side
    486,209.03x = 95,702,330,394.26
  5. Step 5: Solve for x
    x = 95,702,330,394.26/486,209.03
  6. Step 6: Final answer
    x = 196,833.72

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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.