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Finding the Fourth Proportional to 247,399.75, 371,106.55 and 87,453.08

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Solution

The fourth proportional to 247,399.75, 371,106.55 and 87,453.08 is: 131,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,399.75 : 371,106.55 = 87,453.08 : x
  2. Step 2: Convert to fraction form
    247,399.75/371,106.55 = 87,453.08/x
  3. Step 3: Cross multiply
    247,399.75x = 371,106.55 × 87,453.08
  4. Step 4: Simplify right side
    247,399.75x = 32,454,408,512.88
  5. Step 5: Solve for x
    x = 32,454,408,512.88/247,399.75
  6. Step 6: Final answer
    x = 131,182.06

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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.