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Finding the Fourth Proportional to 322,771.46, 486,574.56 and 301,095.54

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Solution

The fourth proportional to 322,771.46, 486,574.56 and 301,095.54 is: 453,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,771.46 : 486,574.56 = 301,095.54 : x
  2. Step 2: Convert to fraction form
    322,771.46/486,574.56 = 301,095.54/x
  3. Step 3: Cross multiply
    322,771.46x = 486,574.56 × 301,095.54
  4. Step 4: Simplify right side
    322,771.46x = 146,505,429,893.46
  5. Step 5: Solve for x
    x = 146,505,429,893.46/322,771.46
  6. Step 6: Final answer
    x = 453,898.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.