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Finding the Fourth Proportional to 340,652.97, 511,054.28 and 100,748.17

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Solution

The fourth proportional to 340,652.97, 511,054.28 and 100,748.17 is: 151,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,652.97 : 511,054.28 = 100,748.17 : x
  2. Step 2: Convert to fraction form
    340,652.97/511,054.28 = 100,748.17/x
  3. Step 3: Cross multiply
    340,652.97x = 511,054.28 × 100,748.17
  4. Step 4: Simplify right side
    340,652.97x = 51,487,783,993.55
  5. Step 5: Solve for x
    x = 51,487,783,993.55/340,652.97
  6. Step 6: Final answer
    x = 151,144.38

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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.