Home / 394,608.06-544,558.38-213,320.10

Finding the Fourth Proportional to 394,608.06, 544,558.38 and 213,320.10

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Solution

The fourth proportional to 394,608.06, 544,558.38 and 213,320.10 is: 294,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,608.06 : 544,558.38 = 213,320.10 : x
  2. Step 2: Convert to fraction form
    394,608.06/544,558.38 = 213,320.10/x
  3. Step 3: Cross multiply
    394,608.06x = 544,558.38 × 213,320.10
  4. Step 4: Simplify right side
    394,608.06x = 116,165,248,077.44
  5. Step 5: Solve for x
    x = 116,165,248,077.44/394,608.06
  6. Step 6: Final answer
    x = 294,381.34

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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.