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Finding the Fourth Proportional to 247,213.99, 370,835.46 and 95,411.89

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Solution

The fourth proportional to 247,213.99, 370,835.46 and 95,411.89 is: 143,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,213.99 : 370,835.46 = 95,411.89 : x
  2. Step 2: Convert to fraction form
    247,213.99/370,835.46 = 95,411.89/x
  3. Step 3: Cross multiply
    247,213.99x = 370,835.46 × 95,411.89
  4. Step 4: Simplify right side
    247,213.99x = 35,382,109,786.38
  5. Step 5: Solve for x
    x = 35,382,109,786.38/247,213.99
  6. Step 6: Final answer
    x = 143,123.42

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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.