Home / 329,928.42-494,901.22-105,288.56

Finding the Fourth Proportional to 329,928.42, 494,901.22 and 105,288.56

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Solution

The fourth proportional to 329,928.42, 494,901.22 and 105,288.56 is: 157,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,928.42 : 494,901.22 = 105,288.56 : x
  2. Step 2: Convert to fraction form
    329,928.42/494,901.22 = 105,288.56/x
  3. Step 3: Cross multiply
    329,928.42x = 494,901.22 × 105,288.56
  4. Step 4: Simplify right side
    329,928.42x = 52,107,433,795.09
  5. Step 5: Solve for x
    x = 52,107,433,795.09/329,928.42
  6. Step 6: Final answer
    x = 157,935.57

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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.