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Finding the Fourth Proportional to 228,347.37, 315,144 and 132,906.69

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Solution

The fourth proportional to 228,347.37, 315,144 and 132,906.69 is: 183,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,347.37 : 315,144 = 132,906.69 : x
  2. Step 2: Convert to fraction form
    228,347.37/315,144 = 132,906.69/x
  3. Step 3: Cross multiply
    228,347.37x = 315,144 × 132,906.69
  4. Step 4: Simplify right side
    228,347.37x = 41,884,745,913.36
  5. Step 5: Solve for x
    x = 41,884,745,913.36/228,347.37
  6. Step 6: Final answer
    x = 183,425.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.