Home / 217,358.73-326,131.95-117,589.21

Finding the Fourth Proportional to 217,358.73, 326,131.95 and 117,589.21

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Solution

The fourth proportional to 217,358.73, 326,131.95 and 117,589.21 is: 176,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,358.73 : 326,131.95 = 117,589.21 : x
  2. Step 2: Convert to fraction form
    217,358.73/326,131.95 = 117,589.21/x
  3. Step 3: Cross multiply
    217,358.73x = 326,131.95 × 117,589.21
  4. Step 4: Simplify right side
    217,358.73x = 38,349,598,356.26
  5. Step 5: Solve for x
    x = 38,349,598,356.26/217,358.73
  6. Step 6: Final answer
    x = 176,434.59

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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.