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Finding the Fourth Proportional to 229,866.75, 345,119.94 and 117,624.42

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Solution

The fourth proportional to 229,866.75, 345,119.94 and 117,624.42 is: 176,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,866.75 : 345,119.94 = 117,624.42 : x
  2. Step 2: Convert to fraction form
    229,866.75/345,119.94 = 117,624.42/x
  3. Step 3: Cross multiply
    229,866.75x = 345,119.94 × 117,624.42
  4. Step 4: Simplify right side
    229,866.75x = 40,594,532,772.93
  5. Step 5: Solve for x
    x = 40,594,532,772.93/229,866.75
  6. Step 6: Final answer
    x = 176,600.28

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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.