Home / 284,763.40-392,992.02-163,919.56

Finding the Fourth Proportional to 284,763.40, 392,992.02 and 163,919.56

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Solution

The fourth proportional to 284,763.40, 392,992.02 and 163,919.56 is: 226,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,763.40 : 392,992.02 = 163,919.56 : x
  2. Step 2: Convert to fraction form
    284,763.40/392,992.02 = 163,919.56/x
  3. Step 3: Cross multiply
    284,763.40x = 392,992.02 × 163,919.56
  4. Step 4: Simplify right side
    284,763.40x = 64,419,079,001.91
  5. Step 5: Solve for x
    x = 64,419,079,001.91/284,763.40
  6. Step 6: Final answer
    x = 226,219.66

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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.