Home / 247,647.20-371,427.60-89,794.40

Finding the Fourth Proportional to 247,647.20, 371,427.60 and 89,794.40

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Solution

The fourth proportional to 247,647.20, 371,427.60 and 89,794.40 is: 134,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,647.20 : 371,427.60 = 89,794.40 : x
  2. Step 2: Convert to fraction form
    247,647.20/371,427.60 = 89,794.40/x
  3. Step 3: Cross multiply
    247,647.20x = 371,427.60 × 89,794.40
  4. Step 4: Simplify right side
    247,647.20x = 33,352,118,485.44
  5. Step 5: Solve for x
    x = 33,352,118,485.44/247,647.20
  6. Step 6: Final answer
    x = 134,675.94

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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.