Home / 395,302.45-545,517.61-214,014.43

Finding the Fourth Proportional to 395,302.45, 545,517.61 and 214,014.43

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Solution

The fourth proportional to 395,302.45, 545,517.61 and 214,014.43 is: 295,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,302.45 : 545,517.61 = 214,014.43 : x
  2. Step 2: Convert to fraction form
    395,302.45/545,517.61 = 214,014.43/x
  3. Step 3: Cross multiply
    395,302.45x = 545,517.61 × 214,014.43
  4. Step 4: Simplify right side
    395,302.45x = 116,748,640,359.11
  5. Step 5: Solve for x
    x = 116,748,640,359.11/395,302.45
  6. Step 6: Final answer
    x = 295,340.04

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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.