Home / 230,819.69-318,584.30-135,357.14

Finding the Fourth Proportional to 230,819.69, 318,584.30 and 135,357.14

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Solution

The fourth proportional to 230,819.69, 318,584.30 and 135,357.14 is: 186,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,819.69 : 318,584.30 = 135,357.14 : x
  2. Step 2: Convert to fraction form
    230,819.69/318,584.30 = 135,357.14/x
  3. Step 3: Cross multiply
    230,819.69x = 318,584.30 × 135,357.14
  4. Step 4: Simplify right side
    230,819.69x = 43,122,659,816.58
  5. Step 5: Solve for x
    x = 43,122,659,816.58/230,819.69
  6. Step 6: Final answer
    x = 186,824.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.