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Finding the Fourth Proportional to 229,995.52, 344,990.40 and 80,235.52

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Solution

The fourth proportional to 229,995.52, 344,990.40 and 80,235.52 is: 120,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,995.52 : 344,990.40 = 80,235.52 : x
  2. Step 2: Convert to fraction form
    229,995.52/344,990.40 = 80,235.52/x
  3. Step 3: Cross multiply
    229,995.52x = 344,990.40 × 80,235.52
  4. Step 4: Simplify right side
    229,995.52x = 27,680,484,139.01
  5. Step 5: Solve for x
    x = 27,680,484,139.01/229,995.52
  6. Step 6: Final answer
    x = 120,352.28

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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.