Home / 281,976.72-388,751.04-224,025.54

Finding the Fourth Proportional to 281,976.72, 388,751.04 and 224,025.54

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Solution

The fourth proportional to 281,976.72, 388,751.04 and 224,025.54 is: 308,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,976.72 : 388,751.04 = 224,025.54 : x
  2. Step 2: Convert to fraction form
    281,976.72/388,751.04 = 224,025.54/x
  3. Step 3: Cross multiply
    281,976.72x = 388,751.04 × 224,025.54
  4. Step 4: Simplify right side
    281,976.72x = 87,090,161,661.56
  5. Step 5: Solve for x
    x = 87,090,161,661.56/281,976.72
  6. Step 6: Final answer
    x = 308,855.86

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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.