Home / 311,452.33-429,817.45-173,631.23

Finding the Fourth Proportional to 311,452.33, 429,817.45 and 173,631.23

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Solution

The fourth proportional to 311,452.33, 429,817.45 and 173,631.23 is: 239,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,452.33 : 429,817.45 = 173,631.23 : x
  2. Step 2: Convert to fraction form
    311,452.33/429,817.45 = 173,631.23/x
  3. Step 3: Cross multiply
    311,452.33x = 429,817.45 × 173,631.23
  4. Step 4: Simplify right side
    311,452.33x = 74,629,732,770.21
  5. Step 5: Solve for x
    x = 74,629,732,770.21/311,452.33
  6. Step 6: Final answer
    x = 239,618.48

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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.