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Finding the Fourth Proportional to 229,052.75, 343,601.00 and 71,238.83

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Solution

The fourth proportional to 229,052.75, 343,601.00 and 71,238.83 is: 106,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,052.75 : 343,601.00 = 71,238.83 : x
  2. Step 2: Convert to fraction form
    229,052.75/343,601.00 = 71,238.83/x
  3. Step 3: Cross multiply
    229,052.75x = 343,601.00 × 71,238.83
  4. Step 4: Simplify right side
    229,052.75x = 24,477,732,870.64
  5. Step 5: Solve for x
    x = 24,477,732,870.64/229,052.75
  6. Step 6: Final answer
    x = 106,865.05

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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.