Home / 439,572.49-659,329.57-199,629.43

Finding the Fourth Proportional to 439,572.49, 659,329.57 and 199,629.43

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Solution

The fourth proportional to 439,572.49, 659,329.57 and 199,629.43 is: 299,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,572.49 : 659,329.57 = 199,629.43 : x
  2. Step 2: Convert to fraction form
    439,572.49/659,329.57 = 199,629.43/x
  3. Step 3: Cross multiply
    439,572.49x = 659,329.57 × 199,629.43
  4. Step 4: Simplify right side
    439,572.49x = 131,621,584,842.46
  5. Step 5: Solve for x
    x = 131,621,584,842.46/439,572.49
  6. Step 6: Final answer
    x = 299,430.90

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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.