Home / 550,480.12-825,522.08-190,553.18

Finding the Fourth Proportional to 550,480.12, 825,522.08 and 190,553.18

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Solution

The fourth proportional to 550,480.12, 825,522.08 and 190,553.18 is: 285,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,480.12 : 825,522.08 = 190,553.18 : x
  2. Step 2: Convert to fraction form
    550,480.12/825,522.08 = 190,553.18/x
  3. Step 3: Cross multiply
    550,480.12x = 825,522.08 × 190,553.18
  4. Step 4: Simplify right side
    550,480.12x = 157,305,857,504.21
  5. Step 5: Solve for x
    x = 157,305,857,504.21/550,480.12
  6. Step 6: Final answer
    x = 285,761.20

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1.5x scale

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.