Home / 395,335.11-545,560.14-214,043.23

Finding the Fourth Proportional to 395,335.11, 545,560.14 and 214,043.23

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Solution

The fourth proportional to 395,335.11, 545,560.14 and 214,043.23 is: 295,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,335.11 : 545,560.14 = 214,043.23 : x
  2. Step 2: Convert to fraction form
    395,335.11/545,560.14 = 214,043.23/x
  3. Step 3: Cross multiply
    395,335.11x = 545,560.14 × 214,043.23
  4. Step 4: Simplify right side
    395,335.11x = 116,773,452,285.49
  5. Step 5: Solve for x
    x = 116,773,452,285.49/395,335.11
  6. Step 6: Final answer
    x = 295,378.40

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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.