Home / 395,264.47-545,464.85-213,976.26

Finding the Fourth Proportional to 395,264.47, 545,464.85 and 213,976.26

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Solution

The fourth proportional to 395,264.47, 545,464.85 and 213,976.26 is: 295,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,264.47 : 545,464.85 = 213,976.26 : x
  2. Step 2: Convert to fraction form
    395,264.47/545,464.85 = 213,976.26/x
  3. Step 3: Cross multiply
    395,264.47x = 545,464.85 × 213,976.26
  4. Step 4: Simplify right side
    395,264.47x = 116,716,527,494.58
  5. Step 5: Solve for x
    x = 116,716,527,494.58/395,264.47
  6. Step 6: Final answer
    x = 295,287.18

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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.