Home / 205,745.85-308,587.59-55,997.82

Finding the Fourth Proportional to 205,745.85, 308,587.59 and 55,997.82

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Solution

The fourth proportional to 205,745.85, 308,587.59 and 55,997.82 is: 83,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,745.85 : 308,587.59 = 55,997.82 : x
  2. Step 2: Convert to fraction form
    205,745.85/308,587.59 = 55,997.82/x
  3. Step 3: Cross multiply
    205,745.85x = 308,587.59 × 55,997.82
  4. Step 4: Simplify right side
    205,745.85x = 17,280,232,319.05
  5. Step 5: Solve for x
    x = 17,280,232,319.05/205,745.85
  6. Step 6: Final answer
    x = 83,988.24

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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.