Home / 399,743.28-551,677.08-227,668.50

Finding the Fourth Proportional to 399,743.28, 551,677.08 and 227,668.50

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Solution

The fourth proportional to 399,743.28, 551,677.08 and 227,668.50 is: 314,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,743.28 : 551,677.08 = 227,668.50 : x
  2. Step 2: Convert to fraction form
    399,743.28/551,677.08 = 227,668.50/x
  3. Step 3: Cross multiply
    399,743.28x = 551,677.08 × 227,668.50
  4. Step 4: Simplify right side
    399,743.28x = 125,599,493,287.98
  5. Step 5: Solve for x
    x = 125,599,493,287.98/399,743.28
  6. Step 6: Final answer
    x = 314,200.39

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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.