Home / 303,399.10-454,989.30-153,589.60

Finding the Fourth Proportional to 303,399.10, 454,989.30 and 153,589.60

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Solution

The fourth proportional to 303,399.10, 454,989.30 and 153,589.60 is: 230,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,399.10 : 454,989.30 = 153,589.60 : x
  2. Step 2: Convert to fraction form
    303,399.10/454,989.30 = 153,589.60/x
  3. Step 3: Cross multiply
    303,399.10x = 454,989.30 × 153,589.60
  4. Step 4: Simplify right side
    303,399.10x = 69,881,624,591.28
  5. Step 5: Solve for x
    x = 69,881,624,591.28/303,399.10
  6. Step 6: Final answer
    x = 230,329.04

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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.