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Finding the Fourth Proportional to 247,835.65, 371,544.48 and 107,488.57

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Solution

The fourth proportional to 247,835.65, 371,544.48 and 107,488.57 is: 161,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,835.65 : 371,544.48 = 107,488.57 : x
  2. Step 2: Convert to fraction form
    247,835.65/371,544.48 = 107,488.57/x
  3. Step 3: Cross multiply
    247,835.65x = 371,544.48 × 107,488.57
  4. Step 4: Simplify right side
    247,835.65x = 39,936,784,846.59
  5. Step 5: Solve for x
    x = 39,936,784,846.59/247,835.65
  6. Step 6: Final answer
    x = 161,142.21

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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.