Home / 225,912.24-338,653.00-76,075.40

Finding the Fourth Proportional to 225,912.24, 338,653.00 and 76,075.40

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Solution

The fourth proportional to 225,912.24, 338,653.00 and 76,075.40 is: 114,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,912.24 : 338,653.00 = 76,075.40 : x
  2. Step 2: Convert to fraction form
    225,912.24/338,653.00 = 76,075.40/x
  3. Step 3: Cross multiply
    225,912.24x = 338,653.00 × 76,075.40
  4. Step 4: Simplify right side
    225,912.24x = 25,763,163,377.93
  5. Step 5: Solve for x
    x = 25,763,163,377.93/225,912.24
  6. Step 6: Final answer
    x = 114,040.58

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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.