Home / 284,629.05-426,906.36-134,964.54

Finding the Fourth Proportional to 284,629.05, 426,906.36 and 134,964.54

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Solution

The fourth proportional to 284,629.05, 426,906.36 and 134,964.54 is: 202,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,629.05 : 426,906.36 = 134,964.54 : x
  2. Step 2: Convert to fraction form
    284,629.05/426,906.36 = 134,964.54/x
  3. Step 3: Cross multiply
    284,629.05x = 426,906.36 × 134,964.54
  4. Step 4: Simplify right side
    284,629.05x = 57,617,220,500.47
  5. Step 5: Solve for x
    x = 57,617,220,500.47/284,629.05
  6. Step 6: Final answer
    x = 202,429.16

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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.