Home / 217,579.91-326,499.26-117,738.09

Finding the Fourth Proportional to 217,579.91, 326,499.26 and 117,738.09

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Solution

The fourth proportional to 217,579.91, 326,499.26 and 117,738.09 is: 176,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.91 : 326,499.26 = 117,738.09 : x
  2. Step 2: Convert to fraction form
    217,579.91/326,499.26 = 117,738.09/x
  3. Step 3: Cross multiply
    217,579.91x = 326,499.26 × 117,738.09
  4. Step 4: Simplify right side
    217,579.91x = 38,441,398,670.12
  5. Step 5: Solve for x
    x = 38,441,398,670.12/217,579.91
  6. Step 6: Final answer
    x = 176,677.16

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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.