Home / 408,101.94-563,076.09-238,238.46

Finding the Fourth Proportional to 408,101.94, 563,076.09 and 238,238.46

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Solution

The fourth proportional to 408,101.94, 563,076.09 and 238,238.46 is: 328,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,101.94 : 563,076.09 = 238,238.46 : x
  2. Step 2: Convert to fraction form
    408,101.94/563,076.09 = 238,238.46/x
  3. Step 3: Cross multiply
    408,101.94x = 563,076.09 × 238,238.46
  4. Step 4: Simplify right side
    408,101.94x = 134,146,380,544.42
  5. Step 5: Solve for x
    x = 134,146,380,544.42/408,101.94
  6. Step 6: Final answer
    x = 328,708.02

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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.