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Finding the Fourth Proportional to 476,933.05, 714,954.88 and 161,169.13

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Solution

The fourth proportional to 476,933.05, 714,954.88 and 161,169.13 is: 241,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,933.05 : 714,954.88 = 161,169.13 : x
  2. Step 2: Convert to fraction form
    476,933.05/714,954.88 = 161,169.13/x
  3. Step 3: Cross multiply
    476,933.05x = 714,954.88 × 161,169.13
  4. Step 4: Simplify right side
    476,933.05x = 115,228,655,998.85
  5. Step 5: Solve for x
    x = 115,228,655,998.85/476,933.05
  6. Step 6: Final answer
    x = 241,603.42

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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.