Home / 367,858.20-551,561.48-142,956.03

Finding the Fourth Proportional to 367,858.20, 551,561.48 and 142,956.03

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Solution

The fourth proportional to 367,858.20, 551,561.48 and 142,956.03 is: 214,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,858.20 : 551,561.48 = 142,956.03 : x
  2. Step 2: Convert to fraction form
    367,858.20/551,561.48 = 142,956.03/x
  3. Step 3: Cross multiply
    367,858.20x = 551,561.48 × 142,956.03
  4. Step 4: Simplify right side
    367,858.20x = 78,849,039,481.72
  5. Step 5: Solve for x
    x = 78,849,039,481.72/367,858.20
  6. Step 6: Final answer
    x = 214,346.29

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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.