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Finding the Fourth Proportional to 550,441.80, 825,662.70 and 218,017.80

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Solution

The fourth proportional to 550,441.80, 825,662.70 and 218,017.80 is: 327,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,441.80 : 825,662.70 = 218,017.80 : x
  2. Step 2: Convert to fraction form
    550,441.80/825,662.70 = 218,017.80/x
  3. Step 3: Cross multiply
    550,441.80x = 825,662.70 × 218,017.80
  4. Step 4: Simplify right side
    550,441.80x = 180,009,165,396.06
  5. Step 5: Solve for x
    x = 180,009,165,396.06/550,441.80
  6. Step 6: Final answer
    x = 327,026.70

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Similar ratio
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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.