Home / 340,945.88-511,439.32-104,290.61

Finding the Fourth Proportional to 340,945.88, 511,439.32 and 104,290.61

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Solution

The fourth proportional to 340,945.88, 511,439.32 and 104,290.61 is: 156,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,945.88 : 511,439.32 = 104,290.61 : x
  2. Step 2: Convert to fraction form
    340,945.88/511,439.32 = 104,290.61/x
  3. Step 3: Cross multiply
    340,945.88x = 511,439.32 × 104,290.61
  4. Step 4: Simplify right side
    340,945.88x = 53,338,315,647.32
  5. Step 5: Solve for x
    x = 53,338,315,647.32/340,945.88
  6. Step 6: Final answer
    x = 156,442.18

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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.