Home / 374,560.18-561,896.22-137,884.86

Finding the Fourth Proportional to 374,560.18, 561,896.22 and 137,884.86

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Solution

The fourth proportional to 374,560.18, 561,896.22 and 137,884.86 is: 206,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,560.18 : 561,896.22 = 137,884.86 : x
  2. Step 2: Convert to fraction form
    374,560.18/561,896.22 = 137,884.86/x
  3. Step 3: Cross multiply
    374,560.18x = 561,896.22 × 137,884.86
  4. Step 4: Simplify right side
    374,560.18x = 77,476,981,629.23
  5. Step 5: Solve for x
    x = 77,476,981,629.23/374,560.18
  6. Step 6: Final answer
    x = 206,847.89

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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.