Home / 367,857.20-551,559.98-142,955.03

Finding the Fourth Proportional to 367,857.20, 551,559.98 and 142,955.03

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Solution

The fourth proportional to 367,857.20, 551,559.98 and 142,955.03 is: 214,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,857.20 : 551,559.98 = 142,955.03 : x
  2. Step 2: Convert to fraction form
    367,857.20/551,559.98 = 142,955.03/x
  3. Step 3: Cross multiply
    367,857.20x = 551,559.98 × 142,955.03
  4. Step 4: Simplify right side
    367,857.20x = 78,848,272,121.46
  5. Step 5: Solve for x
    x = 78,848,272,121.46/367,857.20
  6. Step 6: Final answer
    x = 214,344.79

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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.