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Finding the Fourth Proportional to 133,224.61, 199,868.32 and 43,267.02

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Solution

The fourth proportional to 133,224.61, 199,868.32 and 43,267.02 is: 64,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,224.61 : 199,868.32 = 43,267.02 : x
  2. Step 2: Convert to fraction form
    133,224.61/199,868.32 = 43,267.02/x
  3. Step 3: Cross multiply
    133,224.61x = 199,868.32 × 43,267.02
  4. Step 4: Simplify right side
    133,224.61x = 8,647,706,598.81
  5. Step 5: Solve for x
    x = 8,647,706,598.81/133,224.61
  6. Step 6: Final answer
    x = 64,910.73

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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.