Home / 227,764.08-340,858.80-142,344.72

Finding the Fourth Proportional to 227,764.08, 340,858.80 and 142,344.72

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Solution

The fourth proportional to 227,764.08, 340,858.80 and 142,344.72 is: 213,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,764.08 : 340,858.80 = 142,344.72 : x
  2. Step 2: Convert to fraction form
    227,764.08/340,858.80 = 142,344.72/x
  3. Step 3: Cross multiply
    227,764.08x = 340,858.80 × 142,344.72
  4. Step 4: Simplify right side
    227,764.08x = 48,519,450,445.54
  5. Step 5: Solve for x
    x = 48,519,450,445.54/227,764.08
  6. Step 6: Final answer
    x = 213,025.03

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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.