Home / 366,839.65-550,382.57-142,207.41

Finding the Fourth Proportional to 366,839.65, 550,382.57 and 142,207.41

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Solution

The fourth proportional to 366,839.65, 550,382.57 and 142,207.41 is: 213,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.65 : 550,382.57 = 142,207.41 : x
  2. Step 2: Convert to fraction form
    366,839.65/550,382.57 = 142,207.41/x
  3. Step 3: Cross multiply
    366,839.65x = 550,382.57 × 142,207.41
  4. Step 4: Simplify right side
    366,839.65x = 78,268,479,788.84
  5. Step 5: Solve for x
    x = 78,268,479,788.84/366,839.65
  6. Step 6: Final answer
    x = 213,358.83

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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.