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Finding the Fourth Proportional to 267,495.93, 400,992.72 and 89,878.73

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Solution

The fourth proportional to 267,495.93, 400,992.72 and 89,878.73 is: 134,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,495.93 : 400,992.72 = 89,878.73 : x
  2. Step 2: Convert to fraction form
    267,495.93/400,992.72 = 89,878.73/x
  3. Step 3: Cross multiply
    267,495.93x = 400,992.72 × 89,878.73
  4. Step 4: Simplify right side
    267,495.93x = 36,040,716,412.85
  5. Step 5: Solve for x
    x = 36,040,716,412.85/267,495.93
  6. Step 6: Final answer
    x = 134,733.70

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1.5x scale

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.