Home / 395,267.14-545,468.82-213,979.06

Finding the Fourth Proportional to 395,267.14, 545,468.82 and 213,979.06

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Solution

The fourth proportional to 395,267.14, 545,468.82 and 213,979.06 is: 295,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,267.14 : 545,468.82 = 213,979.06 : x
  2. Step 2: Convert to fraction form
    395,267.14/545,468.82 = 213,979.06/x
  3. Step 3: Cross multiply
    395,267.14x = 545,468.82 × 213,979.06
  4. Step 4: Simplify right side
    395,267.14x = 116,718,905,362.91
  5. Step 5: Solve for x
    x = 116,718,905,362.91/395,267.14
  6. Step 6: Final answer
    x = 295,291.19

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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.