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Finding the Fourth Proportional to 264,741.69, 365,343.54 and 143,883.27

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Solution

The fourth proportional to 264,741.69, 365,343.54 and 143,883.27 is: 198,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,741.69 : 365,343.54 = 143,883.27 : x
  2. Step 2: Convert to fraction form
    264,741.69/365,343.54 = 143,883.27/x
  3. Step 3: Cross multiply
    264,741.69x = 365,343.54 × 143,883.27
  4. Step 4: Simplify right side
    264,741.69x = 52,566,823,208.58
  5. Step 5: Solve for x
    x = 52,566,823,208.58/264,741.69
  6. Step 6: Final answer
    x = 198,558.92

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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.