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Finding the Fourth Proportional to 229,738.38, 344,607.70 and 87,550.50

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Solution

The fourth proportional to 229,738.38, 344,607.70 and 87,550.50 is: 131,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,738.38 : 344,607.70 = 87,550.50 : x
  2. Step 2: Convert to fraction form
    229,738.38/344,607.70 = 87,550.50/x
  3. Step 3: Cross multiply
    229,738.38x = 344,607.70 × 87,550.50
  4. Step 4: Simplify right side
    229,738.38x = 30,170,576,438.85
  5. Step 5: Solve for x
    x = 30,170,576,438.85/229,738.38
  6. Step 6: Final answer
    x = 131,325.80

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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.