Home / 217,579.32-326,466.87-117,622.49

Finding the Fourth Proportional to 217,579.32, 326,466.87 and 117,622.49

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Solution

The fourth proportional to 217,579.32, 326,466.87 and 117,622.49 is: 176,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.32 : 326,466.87 = 117,622.49 : x
  2. Step 2: Convert to fraction form
    217,579.32/326,466.87 = 117,622.49/x
  3. Step 3: Cross multiply
    217,579.32x = 326,466.87 × 117,622.49
  4. Step 4: Simplify right side
    217,579.32x = 38,399,844,519.57
  5. Step 5: Solve for x
    x = 38,399,844,519.57/217,579.32
  6. Step 6: Final answer
    x = 176,486.65

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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.