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Finding the Fourth Proportional to 117,233.60, 175,850.46 and 28,487.03

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Solution

The fourth proportional to 117,233.60, 175,850.46 and 28,487.03 is: 42,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233.60 : 175,850.46 = 28,487.03 : x
  2. Step 2: Convert to fraction form
    117,233.60/175,850.46 = 28,487.03/x
  3. Step 3: Cross multiply
    117,233.60x = 175,850.46 × 28,487.03
  4. Step 4: Simplify right side
    117,233.60x = 5,009,456,450.28
  5. Step 5: Solve for x
    x = 5,009,456,450.28/117,233.60
  6. Step 6: Final answer
    x = 42,730.55

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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.