Home / 395,719.26-546,102.72-225,969.18

Finding the Fourth Proportional to 395,719.26, 546,102.72 and 225,969.18

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Solution

The fourth proportional to 395,719.26, 546,102.72 and 225,969.18 is: 311,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,719.26 : 546,102.72 = 225,969.18 : x
  2. Step 2: Convert to fraction form
    395,719.26/546,102.72 = 225,969.18/x
  3. Step 3: Cross multiply
    395,719.26x = 546,102.72 × 225,969.18
  4. Step 4: Simplify right side
    395,719.26x = 123,402,383,834.17
  5. Step 5: Solve for x
    x = 123,402,383,834.17/395,719.26
  6. Step 6: Final answer
    x = 311,843.26

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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.