Home / 229,719.69-344,579.31-71,960.45

Finding the Fourth Proportional to 229,719.69, 344,579.31 and 71,960.45

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Solution

The fourth proportional to 229,719.69, 344,579.31 and 71,960.45 is: 107,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,719.69 : 344,579.31 = 71,960.45 : x
  2. Step 2: Convert to fraction form
    229,719.69/344,579.31 = 71,960.45/x
  3. Step 3: Cross multiply
    229,719.69x = 344,579.31 × 71,960.45
  4. Step 4: Simplify right side
    229,719.69x = 24,796,080,485.39
  5. Step 5: Solve for x
    x = 24,796,080,485.39/229,719.69
  6. Step 6: Final answer
    x = 107,940.60

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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.