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Finding the Fourth Proportional to 266,101.20, 399,151.80 and 241,606.80

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Solution

The fourth proportional to 266,101.20, 399,151.80 and 241,606.80 is: 362,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,101.20 : 399,151.80 = 241,606.80 : x
  2. Step 2: Convert to fraction form
    266,101.20/399,151.80 = 241,606.80/x
  3. Step 3: Cross multiply
    266,101.20x = 399,151.80 × 241,606.80
  4. Step 4: Simplify right side
    266,101.20x = 96,437,789,112.24
  5. Step 5: Solve for x
    x = 96,437,789,112.24/266,101.20
  6. Step 6: Final answer
    x = 362,410.20

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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.