Home / 340,724.90-511,111.65-104,067.20

Finding the Fourth Proportional to 340,724.90, 511,111.65 and 104,067.20

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Solution

The fourth proportional to 340,724.90, 511,111.65 and 104,067.20 is: 156,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,724.90 : 511,111.65 = 104,067.20 : x
  2. Step 2: Convert to fraction form
    340,724.90/511,111.65 = 104,067.20/x
  3. Step 3: Cross multiply
    340,724.90x = 511,111.65 × 104,067.20
  4. Step 4: Simplify right side
    340,724.90x = 53,189,958,302.88
  5. Step 5: Solve for x
    x = 53,189,958,302.88/340,724.90
  6. Step 6: Final answer
    x = 156,108.22

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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.