Home / 317,451.12-476,176.64-247,382.88

Finding the Fourth Proportional to 317,451.12, 476,176.64 and 247,382.88

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Solution

The fourth proportional to 317,451.12, 476,176.64 and 247,382.88 is: 371,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,451.12 : 476,176.64 = 247,382.88 : x
  2. Step 2: Convert to fraction form
    317,451.12/476,176.64 = 247,382.88/x
  3. Step 3: Cross multiply
    317,451.12x = 476,176.64 × 247,382.88
  4. Step 4: Simplify right side
    317,451.12x = 117,797,948,591.92
  5. Step 5: Solve for x
    x = 117,797,948,591.92/317,451.12
  6. Step 6: Final answer
    x = 371,074.29

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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.