Home / 394,976.63-545,071.70-213,692.46

Finding the Fourth Proportional to 394,976.63, 545,071.70 and 213,692.46

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Solution

The fourth proportional to 394,976.63, 545,071.70 and 213,692.46 is: 294,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,976.63 : 545,071.70 = 213,692.46 : x
  2. Step 2: Convert to fraction form
    394,976.63/545,071.70 = 213,692.46/x
  3. Step 3: Cross multiply
    394,976.63x = 545,071.70 × 213,692.46
  4. Step 4: Simplify right side
    394,976.63x = 116,477,711,380.92
  5. Step 5: Solve for x
    x = 116,477,711,380.92/394,976.63
  6. Step 6: Final answer
    x = 294,897.73

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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.