Home / 395,997.22-546,426.30-226,242.28

Finding the Fourth Proportional to 395,997.22, 546,426.30 and 226,242.28

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Solution

The fourth proportional to 395,997.22, 546,426.30 and 226,242.28 is: 312,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,997.22 : 546,426.30 = 226,242.28 : x
  2. Step 2: Convert to fraction form
    395,997.22/546,426.30 = 226,242.28/x
  3. Step 3: Cross multiply
    395,997.22x = 546,426.30 × 226,242.28
  4. Step 4: Simplify right side
    395,997.22x = 123,624,731,963.96
  5. Step 5: Solve for x
    x = 123,624,731,963.96/395,997.22
  6. Step 6: Final answer
    x = 312,185.86

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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.