Home / 227,765.08-340,860.30-142,345.72

Finding the Fourth Proportional to 227,765.08, 340,860.30 and 142,345.72

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Solution

The fourth proportional to 227,765.08, 340,860.30 and 142,345.72 is: 213,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,765.08 : 340,860.30 = 142,345.72 : x
  2. Step 2: Convert to fraction form
    227,765.08/340,860.30 = 142,345.72/x
  3. Step 3: Cross multiply
    227,765.08x = 340,860.30 × 142,345.72
  4. Step 4: Simplify right side
    227,765.08x = 48,520,004,822.92
  5. Step 5: Solve for x
    x = 48,520,004,822.92/227,765.08
  6. Step 6: Final answer
    x = 213,026.53

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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.