Home / 211,992.26-318,035.16-117,360.50

Finding the Fourth Proportional to 211,992.26, 318,035.16 and 117,360.50

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Solution

The fourth proportional to 211,992.26, 318,035.16 and 117,360.50 is: 176,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,992.26 : 318,035.16 = 117,360.50 : x
  2. Step 2: Convert to fraction form
    211,992.26/318,035.16 = 117,360.50/x
  3. Step 3: Cross multiply
    211,992.26x = 318,035.16 × 117,360.50
  4. Step 4: Simplify right side
    211,992.26x = 37,324,763,805.00
  5. Step 5: Solve for x
    x = 37,324,763,805.00/211,992.26
  6. Step 6: Final answer
    x = 176,066.64

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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.