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Finding the Fourth Proportional to 150,364.73, 207,500.15 and 82,378.39

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Solution

The fourth proportional to 150,364.73, 207,500.15 and 82,378.39 is: 113,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,364.73 : 207,500.15 = 82,378.39 : x
  2. Step 2: Convert to fraction form
    150,364.73/207,500.15 = 82,378.39/x
  3. Step 3: Cross multiply
    150,364.73x = 207,500.15 × 82,378.39
  4. Step 4: Simplify right side
    150,364.73x = 17,093,528,281.76
  5. Step 5: Solve for x
    x = 17,093,528,281.76/150,364.73
  6. Step 6: Final answer
    x = 113,680.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.