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Finding the Fourth Proportional to 247,189.50, 370,564.32 and 89,382.87

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Solution

The fourth proportional to 247,189.50, 370,564.32 and 89,382.87 is: 133,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,189.50 : 370,564.32 = 89,382.87 : x
  2. Step 2: Convert to fraction form
    247,189.50/370,564.32 = 89,382.87/x
  3. Step 3: Cross multiply
    247,189.50x = 370,564.32 × 89,382.87
  4. Step 4: Simplify right side
    247,189.50x = 33,122,102,441.20
  5. Step 5: Solve for x
    x = 33,122,102,441.20/247,189.50
  6. Step 6: Final answer
    x = 133,994.78

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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.