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Finding the Fourth Proportional to 264,361.43, 364,818.96 and 143,502.69

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Solution

The fourth proportional to 264,361.43, 364,818.96 and 143,502.69 is: 198,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,361.43 : 364,818.96 = 143,502.69 : x
  2. Step 2: Convert to fraction form
    264,361.43/364,818.96 = 143,502.69/x
  3. Step 3: Cross multiply
    264,361.43x = 364,818.96 × 143,502.69
  4. Step 4: Simplify right side
    264,361.43x = 52,352,502,123.00
  5. Step 5: Solve for x
    x = 52,352,502,123.00/264,361.43
  6. Step 6: Final answer
    x = 198,033.81

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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.