Home / 197,407.15-296,131.47-64,297.78

Finding the Fourth Proportional to 197,407.15, 296,131.47 and 64,297.78

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Solution

The fourth proportional to 197,407.15, 296,131.47 and 64,297.78 is: 96,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,407.15 : 296,131.47 = 64,297.78 : x
  2. Step 2: Convert to fraction form
    197,407.15/296,131.47 = 64,297.78/x
  3. Step 3: Cross multiply
    197,407.15x = 296,131.47 × 64,297.78
  4. Step 4: Simplify right side
    197,407.15x = 19,040,594,628.48
  5. Step 5: Solve for x
    x = 19,040,594,628.48/197,407.15
  6. Step 6: Final answer
    x = 96,453.42

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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.