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Finding the Fourth Proportional to 370,455.14, 511,251.72 and 227,195.71

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Solution

The fourth proportional to 370,455.14, 511,251.72 and 227,195.71 is: 313,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,455.14 : 511,251.72 = 227,195.71 : x
  2. Step 2: Convert to fraction form
    370,455.14/511,251.72 = 227,195.71/x
  3. Step 3: Cross multiply
    370,455.14x = 511,251.72 × 227,195.71
  4. Step 4: Simplify right side
    370,455.14x = 116,154,195,384.01
  5. Step 5: Solve for x
    x = 116,154,195,384.01/370,455.14
  6. Step 6: Final answer
    x = 313,544.56

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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.