Home / 331,723.42-457,790.07-188,489.50

Finding the Fourth Proportional to 331,723.42, 457,790.07 and 188,489.50

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Solution

The fourth proportional to 331,723.42, 457,790.07 and 188,489.50 is: 260,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,723.42 : 457,790.07 = 188,489.50 : x
  2. Step 2: Convert to fraction form
    331,723.42/457,790.07 = 188,489.50/x
  3. Step 3: Cross multiply
    331,723.42x = 457,790.07 × 188,489.50
  4. Step 4: Simplify right side
    331,723.42x = 86,288,621,399.27
  5. Step 5: Solve for x
    x = 86,288,621,399.27/331,723.42
  6. Step 6: Final answer
    x = 260,122.19

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Why These Related Problems?

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