Home / 205,524.24-308,285.40-65,293.80

Finding the Fourth Proportional to 205,524.24, 308,285.40 and 65,293.80

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Solution

The fourth proportional to 205,524.24, 308,285.40 and 65,293.80 is: 97,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,524.24 : 308,285.40 = 65,293.80 : x
  2. Step 2: Convert to fraction form
    205,524.24/308,285.40 = 65,293.80/x
  3. Step 3: Cross multiply
    205,524.24x = 308,285.40 × 65,293.80
  4. Step 4: Simplify right side
    205,524.24x = 20,129,125,250.52
  5. Step 5: Solve for x
    x = 20,129,125,250.52/205,524.24
  6. Step 6: Final answer
    x = 97,940.40

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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.