Home / 409,236.48-613,855.94-142,997.04

Finding the Fourth Proportional to 409,236.48, 613,855.94 and 142,997.04

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Solution

The fourth proportional to 409,236.48, 613,855.94 and 142,997.04 is: 214,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,236.48 : 613,855.94 = 142,997.04 : x
  2. Step 2: Convert to fraction form
    409,236.48/613,855.94 = 142,997.04/x
  3. Step 3: Cross multiply
    409,236.48x = 613,855.94 × 142,997.04
  4. Step 4: Simplify right side
    409,236.48x = 87,779,581,691.43
  5. Step 5: Solve for x
    x = 87,779,581,691.43/409,236.48
  6. Step 6: Final answer
    x = 214,495.98

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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.