Home / 340,906.02-511,309.78-104,185.14

Finding the Fourth Proportional to 340,906.02, 511,309.78 and 104,185.14

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Solution

The fourth proportional to 340,906.02, 511,309.78 and 104,185.14 is: 156,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,906.02 : 511,309.78 = 104,185.14 : x
  2. Step 2: Convert to fraction form
    340,906.02/511,309.78 = 104,185.14/x
  3. Step 3: Cross multiply
    340,906.02x = 511,309.78 × 104,185.14
  4. Step 4: Simplify right side
    340,906.02x = 53,270,881,012.67
  5. Step 5: Solve for x
    x = 53,270,881,012.67/340,906.02
  6. Step 6: Final answer
    x = 156,262.66

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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.