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Finding the Fourth Proportional to 229,793.79, 344,690.17 and 109,485.55

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Solution

The fourth proportional to 229,793.79, 344,690.17 and 109,485.55 is: 164,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,793.79 : 344,690.17 = 109,485.55 : x
  2. Step 2: Convert to fraction form
    229,793.79/344,690.17 = 109,485.55/x
  3. Step 3: Cross multiply
    229,793.79x = 344,690.17 × 109,485.55
  4. Step 4: Simplify right side
    229,793.79x = 37,738,592,842.04
  5. Step 5: Solve for x
    x = 37,738,592,842.04/229,793.79
  6. Step 6: Final answer
    x = 164,228.08

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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.