Home / 395,274.31-545,476.06-213,984.92

Finding the Fourth Proportional to 395,274.31, 545,476.06 and 213,984.92

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Solution

The fourth proportional to 395,274.31, 545,476.06 and 213,984.92 is: 295,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,274.31 : 545,476.06 = 213,984.92 : x
  2. Step 2: Convert to fraction form
    395,274.31/545,476.06 = 213,984.92/x
  3. Step 3: Cross multiply
    395,274.31x = 545,476.06 × 213,984.92
  4. Step 4: Simplify right side
    395,274.31x = 116,723,651,488.52
  5. Step 5: Solve for x
    x = 116,723,651,488.52/395,274.31
  6. Step 6: Final answer
    x = 295,297.84

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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.