Home / 189,974.80-284,962.20-188,662.60

Finding the Fourth Proportional to 189,974.80, 284,962.20 and 188,662.60

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Solution

The fourth proportional to 189,974.80, 284,962.20 and 188,662.60 is: 282,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,974.80 : 284,962.20 = 188,662.60 : x
  2. Step 2: Convert to fraction form
    189,974.80/284,962.20 = 188,662.60/x
  3. Step 3: Cross multiply
    189,974.80x = 284,962.20 × 188,662.60
  4. Step 4: Simplify right side
    189,974.80x = 53,761,709,553.72
  5. Step 5: Solve for x
    x = 53,761,709,553.72/189,974.80
  6. Step 6: Final answer
    x = 282,993.90

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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.