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Finding the Fourth Proportional to 331,240.51, 496,860.92 and 106,600.92

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Solution

The fourth proportional to 331,240.51, 496,860.92 and 106,600.92 is: 159,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,240.51 : 496,860.92 = 106,600.92 : x
  2. Step 2: Convert to fraction form
    331,240.51/496,860.92 = 106,600.92/x
  3. Step 3: Cross multiply
    331,240.51x = 496,860.92 × 106,600.92
  4. Step 4: Simplify right side
    331,240.51x = 52,965,831,184.05
  5. Step 5: Solve for x
    x = 52,965,831,184.05/331,240.51
  6. Step 6: Final answer
    x = 159,901.43

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1.5x scale

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.