Home / 205,513.22-308,290.35-55,755.98

Finding the Fourth Proportional to 205,513.22, 308,290.35 and 55,755.98

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Solution

The fourth proportional to 205,513.22, 308,290.35 and 55,755.98 is: 83,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,513.22 : 308,290.35 = 55,755.98 : x
  2. Step 2: Convert to fraction form
    205,513.22/308,290.35 = 55,755.98/x
  3. Step 3: Cross multiply
    205,513.22x = 308,290.35 × 55,755.98
  4. Step 4: Simplify right side
    205,513.22x = 17,189,030,588.79
  5. Step 5: Solve for x
    x = 17,189,030,588.79/205,513.22
  6. Step 6: Final answer
    x = 83,639.54

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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.