Home / 229,110.40-343,665.60-225,611.20

Finding the Fourth Proportional to 229,110.40, 343,665.60 and 225,611.20

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Solution

The fourth proportional to 229,110.40, 343,665.60 and 225,611.20 is: 338,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,110.40 : 343,665.60 = 225,611.20 : x
  2. Step 2: Convert to fraction form
    229,110.40/343,665.60 = 225,611.20/x
  3. Step 3: Cross multiply
    229,110.40x = 343,665.60 × 225,611.20
  4. Step 4: Simplify right side
    229,110.40x = 77,534,808,414.72
  5. Step 5: Solve for x
    x = 77,534,808,414.72/229,110.40
  6. Step 6: Final answer
    x = 338,416.80

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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.