Home / 439,512.69-659,294.57-169,642.36

Finding the Fourth Proportional to 439,512.69, 659,294.57 and 169,642.36

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Solution

The fourth proportional to 439,512.69, 659,294.57 and 169,642.36 is: 254,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,512.69 : 659,294.57 = 169,642.36 : x
  2. Step 2: Convert to fraction form
    439,512.69/659,294.57 = 169,642.36/x
  3. Step 3: Cross multiply
    439,512.69x = 659,294.57 × 169,642.36
  4. Step 4: Simplify right side
    439,512.69x = 111,844,286,789.99
  5. Step 5: Solve for x
    x = 111,844,286,789.99/439,512.69
  6. Step 6: Final answer
    x = 254,473.40

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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.