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Finding the Fourth Proportional to 267,565.41, 401,409.53 and 90,067.71

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Solution

The fourth proportional to 267,565.41, 401,409.53 and 90,067.71 is: 135,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,565.41 : 401,409.53 = 90,067.71 : x
  2. Step 2: Convert to fraction form
    267,565.41/401,409.53 = 90,067.71/x
  3. Step 3: Cross multiply
    267,565.41x = 401,409.53 × 90,067.71
  4. Step 4: Simplify right side
    267,565.41x = 36,154,036,688.94
  5. Step 5: Solve for x
    x = 36,154,036,688.94/267,565.41
  6. Step 6: Final answer
    x = 135,122.24

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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.