Home / 394,839.60-544,876.53-213,551.34

Finding the Fourth Proportional to 394,839.60, 544,876.53 and 213,551.34

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Solution

The fourth proportional to 394,839.60, 544,876.53 and 213,551.34 is: 294,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,839.60 : 544,876.53 = 213,551.34 : x
  2. Step 2: Convert to fraction form
    394,839.60/544,876.53 = 213,551.34/x
  3. Step 3: Cross multiply
    394,839.60x = 544,876.53 × 213,551.34
  4. Step 4: Simplify right side
    394,839.60x = 116,359,113,116.05
  5. Step 5: Solve for x
    x = 116,359,113,116.05/394,839.60
  6. Step 6: Final answer
    x = 294,699.70

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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.