Home / 214,438.96-321,252.41-143,146.61

Finding the Fourth Proportional to 214,438.96, 321,252.41 and 143,146.61

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Solution

The fourth proportional to 214,438.96, 321,252.41 and 143,146.61 is: 214,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,438.96 : 321,252.41 = 143,146.61 : x
  2. Step 2: Convert to fraction form
    214,438.96/321,252.41 = 143,146.61/x
  3. Step 3: Cross multiply
    214,438.96x = 321,252.41 × 143,146.61
  4. Step 4: Simplify right side
    214,438.96x = 45,986,193,000.57
  5. Step 5: Solve for x
    x = 45,986,193,000.57/214,438.96
  6. Step 6: Final answer
    x = 214,448.87

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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.