Home / 229,824.40-344,736.60-205,718.80

Finding the Fourth Proportional to 229,824.40, 344,736.60 and 205,718.80

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Solution

The fourth proportional to 229,824.40, 344,736.60 and 205,718.80 is: 308,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,824.40 : 344,736.60 = 205,718.80 : x
  2. Step 2: Convert to fraction form
    229,824.40/344,736.60 = 205,718.80/x
  3. Step 3: Cross multiply
    229,824.40x = 344,736.60 × 205,718.80
  4. Step 4: Simplify right side
    229,824.40x = 70,918,799,668.08
  5. Step 5: Solve for x
    x = 70,918,799,668.08/229,824.40
  6. Step 6: Final answer
    x = 308,578.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.