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Finding the Fourth Proportional to 247,626.77, 371,460.87 and 79,171.07

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Solution

The fourth proportional to 247,626.77, 371,460.87 and 79,171.07 is: 118,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,626.77 : 371,460.87 = 79,171.07 : x
  2. Step 2: Convert to fraction form
    247,626.77/371,460.87 = 79,171.07/x
  3. Step 3: Cross multiply
    247,626.77x = 371,460.87 × 79,171.07
  4. Step 4: Simplify right side
    247,626.77x = 29,408,952,683.73
  5. Step 5: Solve for x
    x = 29,408,952,683.73/247,626.77
  6. Step 6: Final answer
    x = 118,763.22

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1.5x scale

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.