Home / 550,784.30-825,608.03-231,121.78

Finding the Fourth Proportional to 550,784.30, 825,608.03 and 231,121.78

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Solution

The fourth proportional to 550,784.30, 825,608.03 and 231,121.78 is: 346,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,784.30 : 825,608.03 = 231,121.78 : x
  2. Step 2: Convert to fraction form
    550,784.30/825,608.03 = 231,121.78/x
  3. Step 3: Cross multiply
    550,784.30x = 825,608.03 × 231,121.78
  4. Step 4: Simplify right side
    550,784.30x = 190,815,994,256.26
  5. Step 5: Solve for x
    x = 190,815,994,256.26/550,784.30
  6. Step 6: Final answer
    x = 346,444.15

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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.