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Finding the Fourth Proportional to 499,868.71, 750,107.57 and 179,993.84

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Solution

The fourth proportional to 499,868.71, 750,107.57 and 179,993.84 is: 270,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,868.71 : 750,107.57 = 179,993.84 : x
  2. Step 2: Convert to fraction form
    499,868.71/750,107.57 = 179,993.84/x
  3. Step 3: Cross multiply
    499,868.71x = 750,107.57 × 179,993.84
  4. Step 4: Simplify right side
    499,868.71x = 135,014,741,937.37
  5. Step 5: Solve for x
    x = 135,014,741,937.37/499,868.71
  6. Step 6: Final answer
    x = 270,100.41

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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.