Home / 340,716.06-511,037.64-104,223.60

Finding the Fourth Proportional to 340,716.06, 511,037.64 and 104,223.60

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Solution

The fourth proportional to 340,716.06, 511,037.64 and 104,223.60 is: 156,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,716.06 : 511,037.64 = 104,223.60 : x
  2. Step 2: Convert to fraction form
    340,716.06/511,037.64 = 104,223.60/x
  3. Step 3: Cross multiply
    340,716.06x = 511,037.64 × 104,223.60
  4. Step 4: Simplify right side
    340,716.06x = 53,262,182,576.30
  5. Step 5: Solve for x
    x = 53,262,182,576.30/340,716.06
  6. Step 6: Final answer
    x = 156,324.25

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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.