Home / 226,504.90-339,976.05-137,931.40

Finding the Fourth Proportional to 226,504.90, 339,976.05 and 137,931.40

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Solution

The fourth proportional to 226,504.90, 339,976.05 and 137,931.40 is: 207,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,504.90 : 339,976.05 = 137,931.40 : x
  2. Step 2: Convert to fraction form
    226,504.90/339,976.05 = 137,931.40/x
  3. Step 3: Cross multiply
    226,504.90x = 339,976.05 × 137,931.40
  4. Step 4: Simplify right side
    226,504.90x = 46,893,372,542.97
  5. Step 5: Solve for x
    x = 46,893,372,542.97/226,504.90
  6. Step 6: Final answer
    x = 207,030.28

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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.