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Finding the Fourth Proportional to 229,676, 344,289.48 and 103,348.04

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Solution

The fourth proportional to 229,676, 344,289.48 and 103,348.04 is: 154,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,676 : 344,289.48 = 103,348.04 : x
  2. Step 2: Convert to fraction form
    229,676/344,289.48 = 103,348.04/x
  3. Step 3: Cross multiply
    229,676x = 344,289.48 × 103,348.04
  4. Step 4: Simplify right side
    229,676x = 35,581,642,950.62
  5. Step 5: Solve for x
    x = 35,581,642,950.62/229,676
  6. Step 6: Final answer
    x = 154,921.03

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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.