Home / 306,922.60-423,618.54-206,262.28

Finding the Fourth Proportional to 306,922.60, 423,618.54 and 206,262.28

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Solution

The fourth proportional to 306,922.60, 423,618.54 and 206,262.28 is: 284,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,922.60 : 423,618.54 = 206,262.28 : x
  2. Step 2: Convert to fraction form
    306,922.60/423,618.54 = 206,262.28/x
  3. Step 3: Cross multiply
    306,922.60x = 423,618.54 × 206,262.28
  4. Step 4: Simplify right side
    306,922.60x = 87,376,525,910.67
  5. Step 5: Solve for x
    x = 87,376,525,910.67/306,922.60
  6. Step 6: Final answer
    x = 284,685.87

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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.