Home / 229,349.80-343,967.10-81,571.24

Finding the Fourth Proportional to 229,349.80, 343,967.10 and 81,571.24

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Solution

The fourth proportional to 229,349.80, 343,967.10 and 81,571.24 is: 122,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,349.80 : 343,967.10 = 81,571.24 : x
  2. Step 2: Convert to fraction form
    229,349.80/343,967.10 = 81,571.24/x
  3. Step 3: Cross multiply
    229,349.80x = 343,967.10 × 81,571.24
  4. Step 4: Simplify right side
    229,349.80x = 28,057,822,866.20
  5. Step 5: Solve for x
    x = 28,057,822,866.20/229,349.80
  6. Step 6: Final answer
    x = 122,336.37

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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.