Home / 270,318.40-405,644.36-137,294.13

Finding the Fourth Proportional to 270,318.40, 405,644.36 and 137,294.13

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Solution

The fourth proportional to 270,318.40, 405,644.36 and 137,294.13 is: 206,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,318.40 : 405,644.36 = 137,294.13 : x
  2. Step 2: Convert to fraction form
    270,318.40/405,644.36 = 137,294.13/x
  3. Step 3: Cross multiply
    270,318.40x = 405,644.36 × 137,294.13
  4. Step 4: Simplify right side
    270,318.40x = 55,692,588,317.68
  5. Step 5: Solve for x
    x = 55,692,588,317.68/270,318.40
  6. Step 6: Final answer
    x = 206,025.89

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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.