Home / 492,302.14-738,387.60-137,286.43

Finding the Fourth Proportional to 492,302.14, 738,387.60 and 137,286.43

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Solution

The fourth proportional to 492,302.14, 738,387.60 and 137,286.43 is: 205,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,302.14 : 738,387.60 = 137,286.43 : x
  2. Step 2: Convert to fraction form
    492,302.14/738,387.60 = 137,286.43/x
  3. Step 3: Cross multiply
    492,302.14x = 738,387.60 × 137,286.43
  4. Step 4: Simplify right side
    492,302.14x = 101,370,595,199.48
  5. Step 5: Solve for x
    x = 101,370,595,199.48/492,302.14
  6. Step 6: Final answer
    x = 205,911.34

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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.