Home / 492,255.31-738,507.51-137,269.37

Finding the Fourth Proportional to 492,255.31, 738,507.51 and 137,269.37

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Solution

The fourth proportional to 492,255.31, 738,507.51 and 137,269.37 is: 205,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,255.31 : 738,507.51 = 137,269.37 : x
  2. Step 2: Convert to fraction form
    492,255.31/738,507.51 = 137,269.37/x
  3. Step 3: Cross multiply
    492,255.31x = 738,507.51 × 137,269.37
  4. Step 4: Simplify right side
    492,255.31x = 101,374,460,294.80
  5. Step 5: Solve for x
    x = 101,374,460,294.80/492,255.31
  6. Step 6: Final answer
    x = 205,938.78

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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.