Home / 492,288.33-738,557.19-137,302.29

Finding the Fourth Proportional to 492,288.33, 738,557.19 and 137,302.29

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Solution

The fourth proportional to 492,288.33, 738,557.19 and 137,302.29 is: 205,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,288.33 : 738,557.19 = 137,302.29 : x
  2. Step 2: Convert to fraction form
    492,288.33/738,557.19 = 137,302.29/x
  3. Step 3: Cross multiply
    492,288.33x = 738,557.19 × 137,302.29
  4. Step 4: Simplify right side
    492,288.33x = 101,405,593,482.97
  5. Step 5: Solve for x
    x = 101,405,593,482.97/492,288.33
  6. Step 6: Final answer
    x = 205,988.21

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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.