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Finding the Fourth Proportional to 394,461.52, 544,357.06 and 213,173.39

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Solution

The fourth proportional to 394,461.52, 544,357.06 and 213,173.39 is: 294,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,461.52 : 544,357.06 = 213,173.39 : x
  2. Step 2: Convert to fraction form
    394,461.52/544,357.06 = 213,173.39/x
  3. Step 3: Cross multiply
    394,461.52x = 544,357.06 × 213,173.39
  4. Step 4: Simplify right side
    394,461.52x = 116,042,440,678.59
  5. Step 5: Solve for x
    x = 116,042,440,678.59/394,461.52
  6. Step 6: Final answer
    x = 294,179.37

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1.5x scale

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.