Home / 272,721.33-409,137.48-114,949.53

Finding the Fourth Proportional to 272,721.33, 409,137.48 and 114,949.53

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Solution

The fourth proportional to 272,721.33, 409,137.48 and 114,949.53 is: 172,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,721.33 : 409,137.48 = 114,949.53 : x
  2. Step 2: Convert to fraction form
    272,721.33/409,137.48 = 114,949.53/x
  3. Step 3: Cross multiply
    272,721.33x = 409,137.48 × 114,949.53
  4. Step 4: Simplify right side
    272,721.33x = 47,030,161,031.38
  5. Step 5: Solve for x
    x = 47,030,161,031.38/272,721.33
  6. Step 6: Final answer
    x = 172,447.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.