Home / 205,480.44-308,282.99-145,624.64

Finding the Fourth Proportional to 205,480.44, 308,282.99 and 145,624.64

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Solution

The fourth proportional to 205,480.44, 308,282.99 and 145,624.64 is: 218,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,480.44 : 308,282.99 = 145,624.64 : x
  2. Step 2: Convert to fraction form
    205,480.44/308,282.99 = 145,624.64/x
  3. Step 3: Cross multiply
    205,480.44x = 308,282.99 × 145,624.64
  4. Step 4: Simplify right side
    205,480.44x = 44,893,597,167.34
  5. Step 5: Solve for x
    x = 44,893,597,167.34/205,480.44
  6. Step 6: Final answer
    x = 218,481.12

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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.