Home / 218,261.67-301,199.36-122,777.25

Finding the Fourth Proportional to 218,261.67, 301,199.36 and 122,777.25

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Solution

The fourth proportional to 218,261.67, 301,199.36 and 122,777.25 is: 169,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,261.67 : 301,199.36 = 122,777.25 : x
  2. Step 2: Convert to fraction form
    218,261.67/301,199.36 = 122,777.25/x
  3. Step 3: Cross multiply
    218,261.67x = 301,199.36 × 122,777.25
  4. Step 4: Simplify right side
    218,261.67x = 36,980,428,508.67
  5. Step 5: Solve for x
    x = 36,980,428,508.67/218,261.67
  6. Step 6: Final answer
    x = 169,431.62

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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.