Home / 691,273.20-1,036,909.80-192,637.20

Finding the Fourth Proportional to 691,273.20, 1,036,909.80 and 192,637.20

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Solution

The fourth proportional to 691,273.20, 1,036,909.80 and 192,637.20 is: 288,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,273.20 : 1,036,909.80 = 192,637.20 : x
  2. Step 2: Convert to fraction form
    691,273.20/1,036,909.80 = 192,637.20/x
  3. Step 3: Cross multiply
    691,273.20x = 1,036,909.80 × 192,637.20
  4. Step 4: Simplify right side
    691,273.20x = 199,747,400,524.56
  5. Step 5: Solve for x
    x = 199,747,400,524.56/691,273.20
  6. Step 6: Final answer
    x = 288,955.80

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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.