Home / 303,287.10-454,887.45-103,616.70

Finding the Fourth Proportional to 303,287.10, 454,887.45 and 103,616.70

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Solution

The fourth proportional to 303,287.10, 454,887.45 and 103,616.70 is: 155,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,287.10 : 454,887.45 = 103,616.70 : x
  2. Step 2: Convert to fraction form
    303,287.10/454,887.45 = 103,616.70/x
  3. Step 3: Cross multiply
    303,287.10x = 454,887.45 × 103,616.70
  4. Step 4: Simplify right side
    303,287.10x = 47,133,936,440.42
  5. Step 5: Solve for x
    x = 47,133,936,440.42/303,287.10
  6. Step 6: Final answer
    x = 155,410.29

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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.