Home / 284,889.06-393,245.82-164,078.55

Finding the Fourth Proportional to 284,889.06, 393,245.82 and 164,078.55

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Solution

The fourth proportional to 284,889.06, 393,245.82 and 164,078.55 is: 226,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,889.06 : 393,245.82 = 164,078.55 : x
  2. Step 2: Convert to fraction form
    284,889.06/393,245.82 = 164,078.55/x
  3. Step 3: Cross multiply
    284,889.06x = 393,245.82 × 164,078.55
  4. Step 4: Simplify right side
    284,889.06x = 64,523,203,939.16
  5. Step 5: Solve for x
    x = 64,523,203,939.16/284,889.06
  6. Step 6: Final answer
    x = 226,485.37

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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.