Home / 214,971.67-322,503.38-72,811.97

Finding the Fourth Proportional to 214,971.67, 322,503.38 and 72,811.97

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Solution

The fourth proportional to 214,971.67, 322,503.38 and 72,811.97 is: 109,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,971.67 : 322,503.38 = 72,811.97 : x
  2. Step 2: Convert to fraction form
    214,971.67/322,503.38 = 72,811.97/x
  3. Step 3: Cross multiply
    214,971.67x = 322,503.38 × 72,811.97
  4. Step 4: Simplify right side
    214,971.67x = 23,482,104,452.88
  5. Step 5: Solve for x
    x = 23,482,104,452.88/214,971.67
  6. Step 6: Final answer
    x = 109,233.49

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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.