Home / 305,000.91-457,198.83-144,795.26

Finding the Fourth Proportional to 305,000.91, 457,198.83 and 144,795.26

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Solution

The fourth proportional to 305,000.91, 457,198.83 and 144,795.26 is: 217,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,000.91 : 457,198.83 = 144,795.26 : x
  2. Step 2: Convert to fraction form
    305,000.91/457,198.83 = 144,795.26/x
  3. Step 3: Cross multiply
    305,000.91x = 457,198.83 × 144,795.26
  4. Step 4: Simplify right side
    305,000.91x = 66,200,224,604.54
  5. Step 5: Solve for x
    x = 66,200,224,604.54/305,000.91
  6. Step 6: Final answer
    x = 217,049.27

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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.