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Finding the Fourth Proportional to 247,313.56, 371,007.38 and 89,578.84

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Solution

The fourth proportional to 247,313.56, 371,007.38 and 89,578.84 is: 134,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,313.56 : 371,007.38 = 89,578.84 : x
  2. Step 2: Convert to fraction form
    247,313.56/371,007.38 = 89,578.84/x
  3. Step 3: Cross multiply
    247,313.56x = 371,007.38 × 89,578.84
  4. Step 4: Simplify right side
    247,313.56x = 33,234,410,731.84
  5. Step 5: Solve for x
    x = 33,234,410,731.84/247,313.56
  6. Step 6: Final answer
    x = 134,381.68

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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.