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Finding the Fourth Proportional to 264,606.20, 395,937.30 and 194,622.20

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Solution

The fourth proportional to 264,606.20, 395,937.30 and 194,622.20 is: 291,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,606.20 : 395,937.30 = 194,622.20 : x
  2. Step 2: Convert to fraction form
    264,606.20/395,937.30 = 194,622.20/x
  3. Step 3: Cross multiply
    264,606.20x = 395,937.30 × 194,622.20
  4. Step 4: Simplify right side
    264,606.20x = 77,058,188,388.06
  5. Step 5: Solve for x
    x = 77,058,188,388.06/264,606.20
  6. Step 6: Final answer
    x = 291,218.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.