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Finding the Fourth Proportional to 245,168.28, 338,195.63 and 227,829.24

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Solution

The fourth proportional to 245,168.28, 338,195.63 and 227,829.24 is: 314,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,168.28 : 338,195.63 = 227,829.24 : x
  2. Step 2: Convert to fraction form
    245,168.28/338,195.63 = 227,829.24/x
  3. Step 3: Cross multiply
    245,168.28x = 338,195.63 × 227,829.24
  4. Step 4: Simplify right side
    245,168.28x = 77,050,854,709.79
  5. Step 5: Solve for x
    x = 77,050,854,709.79/245,168.28
  6. Step 6: Final answer
    x = 314,277.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.