Home / 395,267.25-545,464.29-213,975.21

Finding the Fourth Proportional to 395,267.25, 545,464.29 and 213,975.21

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Solution

The fourth proportional to 395,267.25, 545,464.29 and 213,975.21 is: 295,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,267.25 : 545,464.29 = 213,975.21 : x
  2. Step 2: Convert to fraction form
    395,267.25/545,464.29 = 213,975.21/x
  3. Step 3: Cross multiply
    395,267.25x = 545,464.29 × 213,975.21
  4. Step 4: Simplify right side
    395,267.25x = 116,715,836,000.25
  5. Step 5: Solve for x
    x = 116,715,836,000.25/395,267.25
  6. Step 6: Final answer
    x = 295,283.35

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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.