Home / 368,100.28-551,778.42-143,320.60

Finding the Fourth Proportional to 368,100.28, 551,778.42 and 143,320.60

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Solution

The fourth proportional to 368,100.28, 551,778.42 and 143,320.60 is: 214,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,100.28 : 551,778.42 = 143,320.60 : x
  2. Step 2: Convert to fraction form
    368,100.28/551,778.42 = 143,320.60/x
  3. Step 3: Cross multiply
    368,100.28x = 551,778.42 × 143,320.60
  4. Step 4: Simplify right side
    368,100.28x = 79,081,214,221.45
  5. Step 5: Solve for x
    x = 79,081,214,221.45/368,100.28
  6. Step 6: Final answer
    x = 214,836.06

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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.