Home / 230,979.20-318,742.29-144,984.38

Finding the Fourth Proportional to 230,979.20, 318,742.29 and 144,984.38

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Solution

The fourth proportional to 230,979.20, 318,742.29 and 144,984.38 is: 200,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,979.20 : 318,742.29 = 144,984.38 : x
  2. Step 2: Convert to fraction form
    230,979.20/318,742.29 = 144,984.38/x
  3. Step 3: Cross multiply
    230,979.20x = 318,742.29 × 144,984.38
  4. Step 4: Simplify right side
    230,979.20x = 46,212,651,701.72
  5. Step 5: Solve for x
    x = 46,212,651,701.72/230,979.20
  6. Step 6: Final answer
    x = 200,072.79

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1.5x scale

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.