Home / 317,645.12-476,175.26-137,617.43

Finding the Fourth Proportional to 317,645.12, 476,175.26 and 137,617.43

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Solution

The fourth proportional to 317,645.12, 476,175.26 and 137,617.43 is: 206,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,645.12 : 476,175.26 = 137,617.43 : x
  2. Step 2: Convert to fraction form
    317,645.12/476,175.26 = 137,617.43/x
  3. Step 3: Cross multiply
    317,645.12x = 476,175.26 × 137,617.43
  4. Step 4: Simplify right side
    317,645.12x = 65,530,012,441.82
  5. Step 5: Solve for x
    x = 65,530,012,441.82/317,645.12
  6. Step 6: Final answer
    x = 206,299.45

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1.5x scale

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.