Home / 479,101.09-718,723.41-154,780.82

Finding the Fourth Proportional to 479,101.09, 718,723.41 and 154,780.82

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Solution

The fourth proportional to 479,101.09, 718,723.41 and 154,780.82 is: 232,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,101.09 : 718,723.41 = 154,780.82 : x
  2. Step 2: Convert to fraction form
    479,101.09/718,723.41 = 154,780.82/x
  3. Step 3: Cross multiply
    479,101.09x = 718,723.41 × 154,780.82
  4. Step 4: Simplify right side
    479,101.09x = 111,244,594,578.95
  5. Step 5: Solve for x
    x = 111,244,594,578.95/479,101.09
  6. Step 6: Final answer
    x = 232,194.41

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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.