Home / 297,923.80-446,496.90-137,981.20

Finding the Fourth Proportional to 297,923.80, 446,496.90 and 137,981.20

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Solution

The fourth proportional to 297,923.80, 446,496.90 and 137,981.20 is: 206,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,923.80 : 446,496.90 = 137,981.20 : x
  2. Step 2: Convert to fraction form
    297,923.80/446,496.90 = 137,981.20/x
  3. Step 3: Cross multiply
    297,923.80x = 446,496.90 × 137,981.20
  4. Step 4: Simplify right side
    297,923.80x = 61,608,178,058.28
  5. Step 5: Solve for x
    x = 61,608,178,058.28/297,923.80
  6. Step 6: Final answer
    x = 206,791.73

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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.