Home / 227,748.32-341,829.78-121,221.72

Finding the Fourth Proportional to 227,748.32, 341,829.78 and 121,221.72

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Solution

The fourth proportional to 227,748.32, 341,829.78 and 121,221.72 is: 181,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,748.32 : 341,829.78 = 121,221.72 : x
  2. Step 2: Convert to fraction form
    227,748.32/341,829.78 = 121,221.72/x
  3. Step 3: Cross multiply
    227,748.32x = 341,829.78 × 121,221.72
  4. Step 4: Simplify right side
    227,748.32x = 41,437,193,878.82
  5. Step 5: Solve for x
    x = 41,437,193,878.82/227,748.32
  6. Step 6: Final answer
    x = 181,942.92

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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.