Home / 345,015.45-476,151.21-192,107.70

Finding the Fourth Proportional to 345,015.45, 476,151.21 and 192,107.70

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Solution

The fourth proportional to 345,015.45, 476,151.21 and 192,107.70 is: 265,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,015.45 : 476,151.21 = 192,107.70 : x
  2. Step 2: Convert to fraction form
    345,015.45/476,151.21 = 192,107.70/x
  3. Step 3: Cross multiply
    345,015.45x = 476,151.21 × 192,107.70
  4. Step 4: Simplify right side
    345,015.45x = 91,472,313,805.32
  5. Step 5: Solve for x
    x = 91,472,313,805.32/345,015.45
  6. Step 6: Final answer
    x = 265,125.27

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1.5x scale

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.