Home / 250,778.78-346,074.74-143,351.16

Finding the Fourth Proportional to 250,778.78, 346,074.74 and 143,351.16

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Solution

The fourth proportional to 250,778.78, 346,074.74 and 143,351.16 is: 197,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,778.78 : 346,074.74 = 143,351.16 : x
  2. Step 2: Convert to fraction form
    250,778.78/346,074.74 = 143,351.16/x
  3. Step 3: Cross multiply
    250,778.78x = 346,074.74 × 143,351.16
  4. Step 4: Simplify right side
    250,778.78x = 49,610,215,425.70
  5. Step 5: Solve for x
    x = 49,610,215,425.70/250,778.78
  6. Step 6: Final answer
    x = 197,824.61

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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.