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Finding the Fourth Proportional to 322,455.36, 480,443.01 and 304,347

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Solution

The fourth proportional to 322,455.36, 480,443.01 and 304,347 is: 453,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,455.36 : 480,443.01 = 304,347 : x
  2. Step 2: Convert to fraction form
    322,455.36/480,443.01 = 304,347/x
  3. Step 3: Cross multiply
    322,455.36x = 480,443.01 × 304,347
  4. Step 4: Simplify right side
    322,455.36x = 146,221,388,764.47
  5. Step 5: Solve for x
    x = 146,221,388,764.47/322,455.36
  6. Step 6: Final answer
    x = 453,462.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.