Home / 218,975.42-328,244.43-188,867.72

Finding the Fourth Proportional to 218,975.42, 328,244.43 and 188,867.72

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Solution

The fourth proportional to 218,975.42, 328,244.43 and 188,867.72 is: 283,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,975.42 : 328,244.43 = 188,867.72 : x
  2. Step 2: Convert to fraction form
    218,975.42/328,244.43 = 188,867.72/x
  3. Step 3: Cross multiply
    218,975.42x = 328,244.43 × 188,867.72
  4. Step 4: Simplify right side
    218,975.42x = 61,994,777,096.80
  5. Step 5: Solve for x
    x = 61,994,777,096.80/218,975.42
  6. Step 6: Final answer
    x = 283,112.95

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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.