Home / 247,621.10-371,322.30-97,811.60

Finding the Fourth Proportional to 247,621.10, 371,322.30 and 97,811.60

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Solution

The fourth proportional to 247,621.10, 371,322.30 and 97,811.60 is: 146,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,621.10 : 371,322.30 = 97,811.60 : x
  2. Step 2: Convert to fraction form
    247,621.10/371,322.30 = 97,811.60/x
  3. Step 3: Cross multiply
    247,621.10x = 371,322.30 × 97,811.60
  4. Step 4: Simplify right side
    247,621.10x = 36,319,628,278.68
  5. Step 5: Solve for x
    x = 36,319,628,278.68/247,621.10
  6. Step 6: Final answer
    x = 146,674.21

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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.