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Finding the Fourth Proportional to 193,625.80, 290,438.70 and 127,270.60

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Solution

The fourth proportional to 193,625.80, 290,438.70 and 127,270.60 is: 190,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,625.80 : 290,438.70 = 127,270.60 : x
  2. Step 2: Convert to fraction form
    193,625.80/290,438.70 = 127,270.60/x
  3. Step 3: Cross multiply
    193,625.80x = 290,438.70 × 127,270.60
  4. Step 4: Simplify right side
    193,625.80x = 36,964,307,612.22
  5. Step 5: Solve for x
    x = 36,964,307,612.22/193,625.80
  6. Step 6: Final answer
    x = 190,905.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.