Home / 247,631.68-371,447.04-89,859.84

Finding the Fourth Proportional to 247,631.68, 371,447.04 and 89,859.84

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Solution

The fourth proportional to 247,631.68, 371,447.04 and 89,859.84 is: 134,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,631.68 : 371,447.04 = 89,859.84 : x
  2. Step 2: Convert to fraction form
    247,631.68/371,447.04 = 89,859.84/x
  3. Step 3: Cross multiply
    247,631.68x = 371,447.04 × 89,859.84
  4. Step 4: Simplify right side
    247,631.68x = 33,378,171,582.87
  5. Step 5: Solve for x
    x = 33,378,171,582.87/247,631.68
  6. Step 6: Final answer
    x = 134,789.59

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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.