Home / 229,199.20-343,869.18-109,409.01

Finding the Fourth Proportional to 229,199.20, 343,869.18 and 109,409.01

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Solution

The fourth proportional to 229,199.20, 343,869.18 and 109,409.01 is: 164,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,199.20 : 343,869.18 = 109,409.01 : x
  2. Step 2: Convert to fraction form
    229,199.20/343,869.18 = 109,409.01/x
  3. Step 3: Cross multiply
    229,199.20x = 343,869.18 × 109,409.01
  4. Step 4: Simplify right side
    229,199.20x = 37,622,386,553.31
  5. Step 5: Solve for x
    x = 37,622,386,553.31/229,199.20
  6. Step 6: Final answer
    x = 164,147.11

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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.