Home / 306,208.93-422,582.39-170,256.85

Finding the Fourth Proportional to 306,208.93, 422,582.39 and 170,256.85

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Solution

The fourth proportional to 306,208.93, 422,582.39 and 170,256.85 is: 234,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,208.93 : 422,582.39 = 170,256.85 : x
  2. Step 2: Convert to fraction form
    306,208.93/422,582.39 = 170,256.85/x
  3. Step 3: Cross multiply
    306,208.93x = 422,582.39 × 170,256.85
  4. Step 4: Simplify right side
    306,208.93x = 71,947,546,586.87
  5. Step 5: Solve for x
    x = 71,947,546,586.87/306,208.93
  6. Step 6: Final answer
    x = 234,962.27

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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.