Home / 394,740.25-544,741.15-213,451.72

Finding the Fourth Proportional to 394,740.25, 544,741.15 and 213,451.72

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Solution

The fourth proportional to 394,740.25, 544,741.15 and 213,451.72 is: 294,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,740.25 : 544,741.15 = 213,451.72 : x
  2. Step 2: Convert to fraction form
    394,740.25/544,741.15 = 213,451.72/x
  3. Step 3: Cross multiply
    394,740.25x = 544,741.15 × 213,451.72
  4. Step 4: Simplify right side
    394,740.25x = 116,275,936,991.19
  5. Step 5: Solve for x
    x = 116,275,936,991.19/394,740.25
  6. Step 6: Final answer
    x = 294,563.16

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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.