Home / 284,705.88-392,933.60-163,844.97

Finding the Fourth Proportional to 284,705.88, 392,933.60 and 163,844.97

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Solution

The fourth proportional to 284,705.88, 392,933.60 and 163,844.97 is: 226,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,705.88 : 392,933.60 = 163,844.97 : x
  2. Step 2: Convert to fraction form
    284,705.88/392,933.60 = 163,844.97/x
  3. Step 3: Cross multiply
    284,705.88x = 392,933.60 × 163,844.97
  4. Step 4: Simplify right side
    284,705.88x = 64,380,193,903.99
  5. Step 5: Solve for x
    x = 64,380,193,903.99/284,705.88
  6. Step 6: Final answer
    x = 226,128.78

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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.