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Finding the Fourth Proportional to 183,273.60, 274,910.40 and 123,787.20

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Solution

The fourth proportional to 183,273.60, 274,910.40 and 123,787.20 is: 185,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,273.60 : 274,910.40 = 123,787.20 : x
  2. Step 2: Convert to fraction form
    183,273.60/274,910.40 = 123,787.20/x
  3. Step 3: Cross multiply
    183,273.60x = 274,910.40 × 123,787.20
  4. Step 4: Simplify right side
    183,273.60x = 34,030,388,666.88
  5. Step 5: Solve for x
    x = 34,030,388,666.88/183,273.60
  6. Step 6: Final answer
    x = 185,680.80

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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.