Home / 340,945.80-511,457.10-104,286.60

Finding the Fourth Proportional to 340,945.80, 511,457.10 and 104,286.60

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Solution

The fourth proportional to 340,945.80, 511,457.10 and 104,286.60 is: 156,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,945.80 : 511,457.10 = 104,286.60 : x
  2. Step 2: Convert to fraction form
    340,945.80/511,457.10 = 104,286.60/x
  3. Step 3: Cross multiply
    340,945.80x = 511,457.10 × 104,286.60
  4. Step 4: Simplify right side
    340,945.80x = 53,338,122,004.86
  5. Step 5: Solve for x
    x = 53,338,122,004.86/340,945.80
  6. Step 6: Final answer
    x = 156,441.65

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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.