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Finding the Fourth Proportional to 264,606.81, 365,159.94 and 143,749.02

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Solution

The fourth proportional to 264,606.81, 365,159.94 and 143,749.02 is: 198,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,606.81 : 365,159.94 = 143,749.02 : x
  2. Step 2: Convert to fraction form
    264,606.81/365,159.94 = 143,749.02/x
  3. Step 3: Cross multiply
    264,606.81x = 365,159.94 × 143,749.02
  4. Step 4: Simplify right side
    264,606.81x = 52,491,383,518.26
  5. Step 5: Solve for x
    x = 52,491,383,518.26/264,606.81
  6. Step 6: Final answer
    x = 198,375.03

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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.