Home / 340,769.98-511,232.73-104,146.30

Finding the Fourth Proportional to 340,769.98, 511,232.73 and 104,146.30

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Solution

The fourth proportional to 340,769.98, 511,232.73 and 104,146.30 is: 156,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,769.98 : 511,232.73 = 104,146.30 : x
  2. Step 2: Convert to fraction form
    340,769.98/511,232.73 = 104,146.30/x
  3. Step 3: Cross multiply
    340,769.98x = 511,232.73 × 104,146.30
  4. Step 4: Simplify right side
    340,769.98x = 53,242,997,268.40
  5. Step 5: Solve for x
    x = 53,242,997,268.40/340,769.98
  6. Step 6: Final answer
    x = 156,243.22

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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.