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Finding the Fourth Proportional to 150,608.71, 225,768.98 and 55,813.43

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Solution

The fourth proportional to 150,608.71, 225,768.98 and 55,813.43 is: 83,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,608.71 : 225,768.98 = 55,813.43 : x
  2. Step 2: Convert to fraction form
    150,608.71/225,768.98 = 55,813.43/x
  3. Step 3: Cross multiply
    150,608.71x = 225,768.98 × 55,813.43
  4. Step 4: Simplify right side
    150,608.71x = 12,600,941,865.36
  5. Step 5: Solve for x
    x = 12,600,941,865.36/150,608.71
  6. Step 6: Final answer
    x = 83,666.76

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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.