Home / 690,757.52-1,036,194.58-192,121.52

Finding the Fourth Proportional to 690,757.52, 1,036,194.58 and 192,121.52

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Solution

The fourth proportional to 690,757.52, 1,036,194.58 and 192,121.52 is: 288,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,757.52 : 1,036,194.58 = 192,121.52 : x
  2. Step 2: Convert to fraction form
    690,757.52/1,036,194.58 = 192,121.52/x
  3. Step 3: Cross multiply
    690,757.52x = 1,036,194.58 × 192,121.52
  4. Step 4: Simplify right side
    690,757.52x = 199,075,277,725.36
  5. Step 5: Solve for x
    x = 199,075,277,725.36/690,757.52
  6. Step 6: Final answer
    x = 288,198.50

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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.