Home / 286,360.48-394,913.37-194,616.64

Finding the Fourth Proportional to 286,360.48, 394,913.37 and 194,616.64

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Solution

The fourth proportional to 286,360.48, 394,913.37 and 194,616.64 is: 268,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,360.48 : 394,913.37 = 194,616.64 : x
  2. Step 2: Convert to fraction form
    286,360.48/394,913.37 = 194,616.64/x
  3. Step 3: Cross multiply
    286,360.48x = 394,913.37 × 194,616.64
  4. Step 4: Simplify right side
    286,360.48x = 76,856,713,160.48
  5. Step 5: Solve for x
    x = 76,856,713,160.48/286,360.48
  6. Step 6: Final answer
    x = 268,391.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.