Home / 205,515.22-308,293.35-55,757.98

Finding the Fourth Proportional to 205,515.22, 308,293.35 and 55,757.98

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Solution

The fourth proportional to 205,515.22, 308,293.35 and 55,757.98 is: 83,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,515.22 : 308,293.35 = 55,757.98 : x
  2. Step 2: Convert to fraction form
    205,515.22/308,293.35 = 55,757.98/x
  3. Step 3: Cross multiply
    205,515.22x = 308,293.35 × 55,757.98
  4. Step 4: Simplify right side
    205,515.22x = 17,189,814,443.43
  5. Step 5: Solve for x
    x = 17,189,814,443.43/205,515.22
  6. Step 6: Final answer
    x = 83,642.54

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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.