Home / 367,619.45-551,463.26-142,997.00

Finding the Fourth Proportional to 367,619.45, 551,463.26 and 142,997.00

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Solution

The fourth proportional to 367,619.45, 551,463.26 and 142,997.00 is: 214,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,619.45 : 551,463.26 = 142,997.00 : x
  2. Step 2: Convert to fraction form
    367,619.45/551,463.26 = 142,997.00/x
  3. Step 3: Cross multiply
    367,619.45x = 551,463.26 × 142,997.00
  4. Step 4: Simplify right side
    367,619.45x = 78,857,588,317.92
  5. Step 5: Solve for x
    x = 78,857,588,317.92/367,619.45
  6. Step 6: Final answer
    x = 214,508.75

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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.