Home / 288,179.25-432,271.31-101,190.75

Finding the Fourth Proportional to 288,179.25, 432,271.31 and 101,190.75

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Solution

The fourth proportional to 288,179.25, 432,271.31 and 101,190.75 is: 151,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,179.25 : 432,271.31 = 101,190.75 : x
  2. Step 2: Convert to fraction form
    288,179.25/432,271.31 = 101,190.75/x
  3. Step 3: Cross multiply
    288,179.25x = 432,271.31 × 101,190.75
  4. Step 4: Simplify right side
    288,179.25x = 43,741,857,556.43
  5. Step 5: Solve for x
    x = 43,741,857,556.43/288,179.25
  6. Step 6: Final answer
    x = 151,786.98

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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.