Home / 284,777.56-392,983.41-163,902.07

Finding the Fourth Proportional to 284,777.56, 392,983.41 and 163,902.07

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Solution

The fourth proportional to 284,777.56, 392,983.41 and 163,902.07 is: 226,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,777.56 : 392,983.41 = 163,902.07 : x
  2. Step 2: Convert to fraction form
    284,777.56/392,983.41 = 163,902.07/x
  3. Step 3: Cross multiply
    284,777.56x = 392,983.41 × 163,902.07
  4. Step 4: Simplify right side
    284,777.56x = 64,410,794,374.66
  5. Step 5: Solve for x
    x = 64,410,794,374.66/284,777.56
  6. Step 6: Final answer
    x = 226,179.32

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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.