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Finding the Fourth Proportional to 317,544.14, 476,358.44 and 167,790.53

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Solution

The fourth proportional to 317,544.14, 476,358.44 and 167,790.53 is: 251,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,544.14 : 476,358.44 = 167,790.53 : x
  2. Step 2: Convert to fraction form
    317,544.14/476,358.44 = 167,790.53/x
  3. Step 3: Cross multiply
    317,544.14x = 476,358.44 × 167,790.53
  4. Step 4: Simplify right side
    317,544.14x = 79,928,435,469.52
  5. Step 5: Solve for x
    x = 79,928,435,469.52/317,544.14
  6. Step 6: Final answer
    x = 251,708.11

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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.