Home / 395,301.45-545,516.23-214,013.43

Finding the Fourth Proportional to 395,301.45, 545,516.23 and 214,013.43

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Solution

The fourth proportional to 395,301.45, 545,516.23 and 214,013.43 is: 295,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,301.45 : 545,516.23 = 214,013.43 : x
  2. Step 2: Convert to fraction form
    395,301.45/545,516.23 = 214,013.43/x
  3. Step 3: Cross multiply
    395,301.45x = 545,516.23 × 214,013.43
  4. Step 4: Simplify right side
    395,301.45x = 116,747,799,502.97
  5. Step 5: Solve for x
    x = 116,747,799,502.97/395,301.45
  6. Step 6: Final answer
    x = 295,338.66

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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.