Home / 325,865.78-449,721.41-180,717.02

Finding the Fourth Proportional to 325,865.78, 449,721.41 and 180,717.02

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Solution

The fourth proportional to 325,865.78, 449,721.41 and 180,717.02 is: 249,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865.78 : 449,721.41 = 180,717.02 : x
  2. Step 2: Convert to fraction form
    325,865.78/449,721.41 = 180,717.02/x
  3. Step 3: Cross multiply
    325,865.78x = 449,721.41 × 180,717.02
  4. Step 4: Simplify right side
    325,865.78x = 81,272,313,266.12
  5. Step 5: Solve for x
    x = 81,272,313,266.12/325,865.78
  6. Step 6: Final answer
    x = 249,404.26

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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.