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Finding the Fourth Proportional to 266,267.60, 399,404.93 and 88,774.67

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Solution

The fourth proportional to 266,267.60, 399,404.93 and 88,774.67 is: 133,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,267.60 : 399,404.93 = 88,774.67 : x
  2. Step 2: Convert to fraction form
    266,267.60/399,404.93 = 88,774.67/x
  3. Step 3: Cross multiply
    266,267.60x = 399,404.93 × 88,774.67
  4. Step 4: Simplify right side
    266,267.60x = 35,457,040,857.12
  5. Step 5: Solve for x
    x = 35,457,040,857.12/266,267.60
  6. Step 6: Final answer
    x = 133,163.18

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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.