Home / 439,725.91-659,533.43-187,107.43

Finding the Fourth Proportional to 439,725.91, 659,533.43 and 187,107.43

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Solution

The fourth proportional to 439,725.91, 659,533.43 and 187,107.43 is: 280,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,725.91 : 659,533.43 = 187,107.43 : x
  2. Step 2: Convert to fraction form
    439,725.91/659,533.43 = 187,107.43/x
  3. Step 3: Cross multiply
    439,725.91x = 659,533.43 × 187,107.43
  4. Step 4: Simplify right side
    439,725.91x = 123,403,604,150.85
  5. Step 5: Solve for x
    x = 123,403,604,150.85/439,725.91
  6. Step 6: Final answer
    x = 280,637.55

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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.