Home / 229,276.06-343,932.52-87,189.28

Finding the Fourth Proportional to 229,276.06, 343,932.52 and 87,189.28

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Solution

The fourth proportional to 229,276.06, 343,932.52 and 87,189.28 is: 130,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,276.06 : 343,932.52 = 87,189.28 : x
  2. Step 2: Convert to fraction form
    229,276.06/343,932.52 = 87,189.28/x
  3. Step 3: Cross multiply
    229,276.06x = 343,932.52 × 87,189.28
  4. Step 4: Simplify right side
    229,276.06x = 29,987,228,787.39
  5. Step 5: Solve for x
    x = 29,987,228,787.39/229,276.06
  6. Step 6: Final answer
    x = 130,790.93

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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.