Home / 245,997.19-369,005.51-68,519.71

Finding the Fourth Proportional to 245,997.19, 369,005.51 and 68,519.71

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Solution

The fourth proportional to 245,997.19, 369,005.51 and 68,519.71 is: 102,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,997.19 : 369,005.51 = 68,519.71 : x
  2. Step 2: Convert to fraction form
    245,997.19/369,005.51 = 68,519.71/x
  3. Step 3: Cross multiply
    245,997.19x = 369,005.51 × 68,519.71
  4. Step 4: Simplify right side
    245,997.19x = 25,284,150,533.60
  5. Step 5: Solve for x
    x = 25,284,150,533.60/245,997.19
  6. Step 6: Final answer
    x = 102,782.27

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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.