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Finding the Fourth Proportional to 229,474.43, 344,273.93 and 69,543.90

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Solution

The fourth proportional to 229,474.43, 344,273.93 and 69,543.90 is: 104,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,474.43 : 344,273.93 = 69,543.90 : x
  2. Step 2: Convert to fraction form
    229,474.43/344,273.93 = 69,543.90/x
  3. Step 3: Cross multiply
    229,474.43x = 344,273.93 × 69,543.90
  4. Step 4: Simplify right side
    229,474.43x = 23,942,151,412.81
  5. Step 5: Solve for x
    x = 23,942,151,412.81/229,474.43
  6. Step 6: Final answer
    x = 104,334.73

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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.