Home / 499,933.54-749,896.66-200,409.72

Finding the Fourth Proportional to 499,933.54, 749,896.66 and 200,409.72

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Solution

The fourth proportional to 499,933.54, 749,896.66 and 200,409.72 is: 300,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,933.54 : 749,896.66 = 200,409.72 : x
  2. Step 2: Convert to fraction form
    499,933.54/749,896.66 = 200,409.72/x
  3. Step 3: Cross multiply
    499,933.54x = 749,896.66 × 200,409.72
  4. Step 4: Simplify right side
    499,933.54x = 150,286,579,659.54
  5. Step 5: Solve for x
    x = 150,286,579,659.54/499,933.54
  6. Step 6: Final answer
    x = 300,613.12

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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.