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Finding the Fourth Proportional to 266,795.70, 400,193.55 and 236,469.30

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Solution

The fourth proportional to 266,795.70, 400,193.55 and 236,469.30 is: 354,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,795.70 : 400,193.55 = 236,469.30 : x
  2. Step 2: Convert to fraction form
    266,795.70/400,193.55 = 236,469.30/x
  3. Step 3: Cross multiply
    266,795.70x = 400,193.55 × 236,469.30
  4. Step 4: Simplify right side
    266,795.70x = 94,633,488,633.02
  5. Step 5: Solve for x
    x = 94,633,488,633.02/266,795.70
  6. Step 6: Final answer
    x = 354,703.95

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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.