Home / 245,627.24-368,609.97-85,704.08

Finding the Fourth Proportional to 245,627.24, 368,609.97 and 85,704.08

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Solution

The fourth proportional to 245,627.24, 368,609.97 and 85,704.08 is: 128,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,627.24 : 368,609.97 = 85,704.08 : x
  2. Step 2: Convert to fraction form
    245,627.24/368,609.97 = 85,704.08/x
  3. Step 3: Cross multiply
    245,627.24x = 368,609.97 × 85,704.08
  4. Step 4: Simplify right side
    245,627.24x = 31,591,378,357.68
  5. Step 5: Solve for x
    x = 31,591,378,357.68/245,627.24
  6. Step 6: Final answer
    x = 128,615.13

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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.