Home / 329,639.42-494,533.69-105,012.65

Finding the Fourth Proportional to 329,639.42, 494,533.69 and 105,012.65

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Solution

The fourth proportional to 329,639.42, 494,533.69 and 105,012.65 is: 157,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,639.42 : 494,533.69 = 105,012.65 : x
  2. Step 2: Convert to fraction form
    329,639.42/494,533.69 = 105,012.65/x
  3. Step 3: Cross multiply
    329,639.42x = 494,533.69 × 105,012.65
  4. Step 4: Simplify right side
    329,639.42x = 51,932,294,274.98
  5. Step 5: Solve for x
    x = 51,932,294,274.98/329,639.42
  6. Step 6: Final answer
    x = 157,542.73

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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.