Home / 238,860.27-329,626.80-143,367.39

Finding the Fourth Proportional to 238,860.27, 329,626.80 and 143,367.39

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Solution

The fourth proportional to 238,860.27, 329,626.80 and 143,367.39 is: 197,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,860.27 : 329,626.80 = 143,367.39 : x
  2. Step 2: Convert to fraction form
    238,860.27/329,626.80 = 143,367.39/x
  3. Step 3: Cross multiply
    238,860.27x = 329,626.80 × 143,367.39
  4. Step 4: Simplify right side
    238,860.27x = 47,257,733,990.05
  5. Step 5: Solve for x
    x = 47,257,733,990.05/238,860.27
  6. Step 6: Final answer
    x = 197,846.77

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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.