Home / 672,136.06-1,008,351.72-198,784.52

Finding the Fourth Proportional to 672,136.06, 1,008,351.72 and 198,784.52

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Solution

The fourth proportional to 672,136.06, 1,008,351.72 and 198,784.52 is: 298,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,136.06 : 1,008,351.72 = 198,784.52 : x
  2. Step 2: Convert to fraction form
    672,136.06/1,008,351.72 = 198,784.52/x
  3. Step 3: Cross multiply
    672,136.06x = 1,008,351.72 × 198,784.52
  4. Step 4: Simplify right side
    672,136.06x = 200,444,706,615.69
  5. Step 5: Solve for x
    x = 200,444,706,615.69/672,136.06
  6. Step 6: Final answer
    x = 298,220.43

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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.