Home / 259,544.44-389,277.78-215,454.52

Finding the Fourth Proportional to 259,544.44, 389,277.78 and 215,454.52

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Solution

The fourth proportional to 259,544.44, 389,277.78 and 215,454.52 is: 323,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,544.44 : 389,277.78 = 215,454.52 : x
  2. Step 2: Convert to fraction form
    259,544.44/389,277.78 = 215,454.52/x
  3. Step 3: Cross multiply
    259,544.44x = 389,277.78 × 215,454.52
  4. Step 4: Simplify right side
    259,544.44x = 83,871,657,236.57
  5. Step 5: Solve for x
    x = 83,871,657,236.57/259,544.44
  6. Step 6: Final answer
    x = 323,149.50

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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.