Home / 278,162.94-383,914.00-163,441.56

Finding the Fourth Proportional to 278,162.94, 383,914.00 and 163,441.56

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Solution

The fourth proportional to 278,162.94, 383,914.00 and 163,441.56 is: 225,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,162.94 : 383,914.00 = 163,441.56 : x
  2. Step 2: Convert to fraction form
    278,162.94/383,914.00 = 163,441.56/x
  3. Step 3: Cross multiply
    278,162.94x = 383,914.00 × 163,441.56
  4. Step 4: Simplify right side
    278,162.94x = 62,747,500,329.06
  5. Step 5: Solve for x
    x = 62,747,500,329.06/278,162.94
  6. Step 6: Final answer
    x = 225,578.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.