Home / 217,683.83-326,400.04-84,408.39

Finding the Fourth Proportional to 217,683.83, 326,400.04 and 84,408.39

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Solution

The fourth proportional to 217,683.83, 326,400.04 and 84,408.39 is: 126,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,683.83 : 326,400.04 = 84,408.39 : x
  2. Step 2: Convert to fraction form
    217,683.83/326,400.04 = 84,408.39/x
  3. Step 3: Cross multiply
    217,683.83x = 326,400.04 × 84,408.39
  4. Step 4: Simplify right side
    217,683.83x = 27,550,901,872.34
  5. Step 5: Solve for x
    x = 27,550,901,872.34/217,683.83
  6. Step 6: Final answer
    x = 126,563.84

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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.