Home / 340,968.10-511,433.66-104,310.80

Finding the Fourth Proportional to 340,968.10, 511,433.66 and 104,310.80

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Solution

The fourth proportional to 340,968.10, 511,433.66 and 104,310.80 is: 156,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,968.10 : 511,433.66 = 104,310.80 : x
  2. Step 2: Convert to fraction form
    340,968.10/511,433.66 = 104,310.80/x
  3. Step 3: Cross multiply
    340,968.10x = 511,433.66 × 104,310.80
  4. Step 4: Simplify right side
    340,968.10x = 53,348,054,221.53
  5. Step 5: Solve for x
    x = 53,348,054,221.53/340,968.10
  6. Step 6: Final answer
    x = 156,460.54

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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.