Home / 395,177.23-545,343.03-213,892.25

Finding the Fourth Proportional to 395,177.23, 545,343.03 and 213,892.25

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Solution

The fourth proportional to 395,177.23, 545,343.03 and 213,892.25 is: 295,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,177.23 : 545,343.03 = 213,892.25 : x
  2. Step 2: Convert to fraction form
    395,177.23/545,343.03 = 213,892.25/x
  3. Step 3: Cross multiply
    395,177.23x = 545,343.03 × 213,892.25
  4. Step 4: Simplify right side
    395,177.23x = 116,644,644,981.80
  5. Step 5: Solve for x
    x = 116,644,644,981.80/395,177.23
  6. Step 6: Final answer
    x = 295,170.46

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1.5x scale

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.