Home / 492,259.15-738,513.26-137,273.21

Finding the Fourth Proportional to 492,259.15, 738,513.26 and 137,273.21

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Solution

The fourth proportional to 492,259.15, 738,513.26 and 137,273.21 is: 205,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,259.15 : 738,513.26 = 137,273.21 : x
  2. Step 2: Convert to fraction form
    492,259.15/738,513.26 = 137,273.21/x
  3. Step 3: Cross multiply
    492,259.15x = 738,513.26 × 137,273.21
  4. Step 4: Simplify right side
    492,259.15x = 101,378,082,849.00
  5. Step 5: Solve for x
    x = 101,378,082,849.00/492,259.15
  6. Step 6: Final answer
    x = 205,944.54

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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.