Home / 284,505.41-426,997.54-142,308.03

Finding the Fourth Proportional to 284,505.41, 426,997.54 and 142,308.03

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Solution

The fourth proportional to 284,505.41, 426,997.54 and 142,308.03 is: 213,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,505.41 : 426,997.54 = 142,308.03 : x
  2. Step 2: Convert to fraction form
    284,505.41/426,997.54 = 142,308.03/x
  3. Step 3: Cross multiply
    284,505.41x = 426,997.54 × 142,308.03
  4. Step 4: Simplify right side
    284,505.41x = 60,765,178,020.71
  5. Step 5: Solve for x
    x = 60,765,178,020.71/284,505.41
  6. Step 6: Final answer
    x = 213,581.81

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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.