Home / 218,317.44-301,270.22-121,518.09

Finding the Fourth Proportional to 218,317.44, 301,270.22 and 121,518.09

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Solution

The fourth proportional to 218,317.44, 301,270.22 and 121,518.09 is: 167,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,317.44 : 301,270.22 = 121,518.09 : x
  2. Step 2: Convert to fraction form
    218,317.44/301,270.22 = 121,518.09/x
  3. Step 3: Cross multiply
    218,317.44x = 301,270.22 × 121,518.09
  4. Step 4: Simplify right side
    218,317.44x = 36,609,781,556.38
  5. Step 5: Solve for x
    x = 36,609,781,556.38/218,317.44
  6. Step 6: Final answer
    x = 167,690.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.