Home / 247,505.30-371,434.94-105,450.06

Finding the Fourth Proportional to 247,505.30, 371,434.94 and 105,450.06

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Solution

The fourth proportional to 247,505.30, 371,434.94 and 105,450.06 is: 158,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,505.30 : 371,434.94 = 105,450.06 : x
  2. Step 2: Convert to fraction form
    247,505.30/371,434.94 = 105,450.06/x
  3. Step 3: Cross multiply
    247,505.30x = 371,434.94 × 105,450.06
  4. Step 4: Simplify right side
    247,505.30x = 39,167,836,709.10
  5. Step 5: Solve for x
    x = 39,167,836,709.10/247,505.30
  6. Step 6: Final answer
    x = 158,250.50

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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.