Home / 284,747.25-392,938.75-163,892.42

Finding the Fourth Proportional to 284,747.25, 392,938.75 and 163,892.42

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Solution

The fourth proportional to 284,747.25, 392,938.75 and 163,892.42 is: 226,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,747.25 : 392,938.75 = 163,892.42 : x
  2. Step 2: Convert to fraction form
    284,747.25/392,938.75 = 163,892.42/x
  3. Step 3: Cross multiply
    284,747.25x = 392,938.75 × 163,892.42
  4. Step 4: Simplify right side
    284,747.25x = 64,399,682,649.28
  5. Step 5: Solve for x
    x = 64,399,682,649.28/284,747.25
  6. Step 6: Final answer
    x = 226,164.37

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1.5x scale

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.