Home / 492,933.65-739,371.31-137,939.81

Finding the Fourth Proportional to 492,933.65, 739,371.31 and 137,939.81

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Solution

The fourth proportional to 492,933.65, 739,371.31 and 137,939.81 is: 206,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,933.65 : 739,371.31 = 137,939.81 : x
  2. Step 2: Convert to fraction form
    492,933.65/739,371.31 = 137,939.81/x
  3. Step 3: Cross multiply
    492,933.65x = 739,371.31 × 137,939.81
  4. Step 4: Simplify right side
    492,933.65x = 101,988,733,979.15
  5. Step 5: Solve for x
    x = 101,988,733,979.15/492,933.65
  6. Step 6: Final answer
    x = 206,901.55

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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.