Home / 217,748.44-326,625.90-77,503.42

Finding the Fourth Proportional to 217,748.44, 326,625.90 and 77,503.42

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Solution

The fourth proportional to 217,748.44, 326,625.90 and 77,503.42 is: 116,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.44 : 326,625.90 = 77,503.42 : x
  2. Step 2: Convert to fraction form
    217,748.44/326,625.90 = 77,503.42/x
  3. Step 3: Cross multiply
    217,748.44x = 326,625.90 × 77,503.42
  4. Step 4: Simplify right side
    217,748.44x = 25,314,624,310.58
  5. Step 5: Solve for x
    x = 25,314,624,310.58/217,748.44
  6. Step 6: Final answer
    x = 116,256.28

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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.