Home / 230,917.80-346,376.70-218,087.40

Finding the Fourth Proportional to 230,917.80, 346,376.70 and 218,087.40

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Solution

The fourth proportional to 230,917.80, 346,376.70 and 218,087.40 is: 327,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,917.80 : 346,376.70 = 218,087.40 : x
  2. Step 2: Convert to fraction form
    230,917.80/346,376.70 = 218,087.40/x
  3. Step 3: Cross multiply
    230,917.80x = 346,376.70 × 218,087.40
  4. Step 4: Simplify right side
    230,917.80x = 75,540,393,923.58
  5. Step 5: Solve for x
    x = 75,540,393,923.58/230,917.80
  6. Step 6: Final answer
    x = 327,131.10

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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.