Home / 250,778.10-346,073.78-143,350.44

Finding the Fourth Proportional to 250,778.10, 346,073.78 and 143,350.44

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Solution

The fourth proportional to 250,778.10, 346,073.78 and 143,350.44 is: 197,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,778.10 : 346,073.78 = 143,350.44 : x
  2. Step 2: Convert to fraction form
    250,778.10/346,073.78 = 143,350.44/x
  3. Step 3: Cross multiply
    250,778.10x = 346,073.78 × 143,350.44
  4. Step 4: Simplify right side
    250,778.10x = 49,609,828,635.46
  5. Step 5: Solve for x
    x = 49,609,828,635.46/250,778.10
  6. Step 6: Final answer
    x = 197,823.61

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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.