Home / 213,639.98-320,571.37-154,960.04

Finding the Fourth Proportional to 213,639.98, 320,571.37 and 154,960.04

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Solution

The fourth proportional to 213,639.98, 320,571.37 and 154,960.04 is: 232,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,639.98 : 320,571.37 = 154,960.04 : x
  2. Step 2: Convert to fraction form
    213,639.98/320,571.37 = 154,960.04/x
  3. Step 3: Cross multiply
    213,639.98x = 320,571.37 × 154,960.04
  4. Step 4: Simplify right side
    213,639.98x = 49,675,751,509.97
  5. Step 5: Solve for x
    x = 49,675,751,509.97/213,639.98
  6. Step 6: Final answer
    x = 232,520.86

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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.