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Finding the Fourth Proportional to 481,394.96, 664,345.82 and 266,535.04

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Solution

The fourth proportional to 481,394.96, 664,345.82 and 266,535.04 is: 367,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,394.96 : 664,345.82 = 266,535.04 : x
  2. Step 2: Convert to fraction form
    481,394.96/664,345.82 = 266,535.04/x
  3. Step 3: Cross multiply
    481,394.96x = 664,345.82 × 266,535.04
  4. Step 4: Simplify right side
    481,394.96x = 177,071,439,707.53
  5. Step 5: Solve for x
    x = 177,071,439,707.53/481,394.96
  6. Step 6: Final answer
    x = 367,829.86

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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.