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Finding the Fourth Proportional to 267,407.70, 401,111.55 and 214,919.70

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Solution

The fourth proportional to 267,407.70, 401,111.55 and 214,919.70 is: 322,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,407.70 : 401,111.55 = 214,919.70 : x
  2. Step 2: Convert to fraction form
    267,407.70/401,111.55 = 214,919.70/x
  3. Step 3: Cross multiply
    267,407.70x = 401,111.55 × 214,919.70
  4. Step 4: Simplify right side
    267,407.70x = 86,206,773,992.54
  5. Step 5: Solve for x
    x = 86,206,773,992.54/267,407.70
  6. Step 6: Final answer
    x = 322,379.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.