Home / 229,262.12-343,961.52-109,409.05

Finding the Fourth Proportional to 229,262.12, 343,961.52 and 109,409.05

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Solution

The fourth proportional to 229,262.12, 343,961.52 and 109,409.05 is: 164,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,262.12 : 343,961.52 = 109,409.05 : x
  2. Step 2: Convert to fraction form
    229,262.12/343,961.52 = 109,409.05/x
  3. Step 3: Cross multiply
    229,262.12x = 343,961.52 × 109,409.05
  4. Step 4: Simplify right side
    229,262.12x = 37,632,503,139.76
  5. Step 5: Solve for x
    x = 37,632,503,139.76/229,262.12
  6. Step 6: Final answer
    x = 164,146.19

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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.