Home / 247,965.71-371,983.64-79,446.65

Finding the Fourth Proportional to 247,965.71, 371,983.64 and 79,446.65

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Solution

The fourth proportional to 247,965.71, 371,983.64 and 79,446.65 is: 119,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,965.71 : 371,983.64 = 79,446.65 : x
  2. Step 2: Convert to fraction form
    247,965.71/371,983.64 = 79,446.65/x
  3. Step 3: Cross multiply
    247,965.71x = 371,983.64 × 79,446.65
  4. Step 4: Simplify right side
    247,965.71x = 29,552,851,795.65
  5. Step 5: Solve for x
    x = 29,552,851,795.65/247,965.71
  6. Step 6: Final answer
    x = 119,181.21

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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.