Home / 395,553.12-545,865.93-214,265.05

Finding the Fourth Proportional to 395,553.12, 545,865.93 and 214,265.05

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Solution

The fourth proportional to 395,553.12, 545,865.93 and 214,265.05 is: 295,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,553.12 : 545,865.93 = 214,265.05 : x
  2. Step 2: Convert to fraction form
    395,553.12/545,865.93 = 214,265.05/x
  3. Step 3: Cross multiply
    395,553.12x = 545,865.93 × 214,265.05
  4. Step 4: Simplify right side
    395,553.12x = 116,959,986,984.09
  5. Step 5: Solve for x
    x = 116,959,986,984.09/395,553.12
  6. Step 6: Final answer
    x = 295,687.18

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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.