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Finding the Fourth Proportional to 266,014, 399,096 and 108,355.60

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Solution

The fourth proportional to 266,014, 399,096 and 108,355.60 is: 162,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,014 : 399,096 = 108,355.60 : x
  2. Step 2: Convert to fraction form
    266,014/399,096 = 108,355.60/x
  3. Step 3: Cross multiply
    266,014x = 399,096 × 108,355.60
  4. Step 4: Simplify right side
    266,014x = 43,244,286,537.60
  5. Step 5: Solve for x
    x = 43,244,286,537.60/266,014
  6. Step 6: Final answer
    x = 162,563.95

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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.