Home / 284,940.14-393,238.72-162,435.44

Finding the Fourth Proportional to 284,940.14, 393,238.72 and 162,435.44

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Solution

The fourth proportional to 284,940.14, 393,238.72 and 162,435.44 is: 224,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,940.14 : 393,238.72 = 162,435.44 : x
  2. Step 2: Convert to fraction form
    284,940.14/393,238.72 = 162,435.44/x
  3. Step 3: Cross multiply
    284,940.14x = 393,238.72 × 162,435.44
  4. Step 4: Simplify right side
    284,940.14x = 63,875,904,508.24
  5. Step 5: Solve for x
    x = 63,875,904,508.24/284,940.14
  6. Step 6: Final answer
    x = 224,173.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.