Home / 250,630.62-345,838.26-143,207.61

Finding the Fourth Proportional to 250,630.62, 345,838.26 and 143,207.61

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Solution

The fourth proportional to 250,630.62, 345,838.26 and 143,207.61 is: 197,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,630.62 : 345,838.26 = 143,207.61 : x
  2. Step 2: Convert to fraction form
    250,630.62/345,838.26 = 143,207.61/x
  3. Step 3: Cross multiply
    250,630.62x = 345,838.26 × 143,207.61
  4. Step 4: Simplify right side
    250,630.62x = 49,526,670,661.16
  5. Step 5: Solve for x
    x = 49,526,670,661.16/250,630.62
  6. Step 6: Final answer
    x = 197,608.22

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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.