Home / 270,318.50-405,644.51-137,294.22

Finding the Fourth Proportional to 270,318.50, 405,644.51 and 137,294.22

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Solution

The fourth proportional to 270,318.50, 405,644.51 and 137,294.22 is: 206,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,318.50 : 405,644.51 = 137,294.22 : x
  2. Step 2: Convert to fraction form
    270,318.50/405,644.51 = 137,294.22/x
  3. Step 3: Cross multiply
    270,318.50x = 405,644.51 × 137,294.22
  4. Step 4: Simplify right side
    270,318.50x = 55,692,645,911.26
  5. Step 5: Solve for x
    x = 55,692,645,911.26/270,318.50
  6. Step 6: Final answer
    x = 206,026.03

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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.