Home / 204,003.20-305,810.40-158,999.60

Finding the Fourth Proportional to 204,003.20, 305,810.40 and 158,999.60

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Solution

The fourth proportional to 204,003.20, 305,810.40 and 158,999.60 is: 238,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,003.20 : 305,810.40 = 158,999.60 : x
  2. Step 2: Convert to fraction form
    204,003.20/305,810.40 = 158,999.60/x
  3. Step 3: Cross multiply
    204,003.20x = 305,810.40 × 158,999.60
  4. Step 4: Simplify right side
    204,003.20x = 48,623,731,275.84
  5. Step 5: Solve for x
    x = 48,623,731,275.84/204,003.20
  6. Step 6: Final answer
    x = 238,347.89

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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.