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Finding the Fourth Proportional to 340,846.08, 511,270.38 and 104,187.84

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Solution

The fourth proportional to 340,846.08, 511,270.38 and 104,187.84 is: 156,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,846.08 : 511,270.38 = 104,187.84 : x
  2. Step 2: Convert to fraction form
    340,846.08/511,270.38 = 104,187.84/x
  3. Step 3: Cross multiply
    340,846.08x = 511,270.38 × 104,187.84
  4. Step 4: Simplify right side
    340,846.08x = 53,268,156,548.18
  5. Step 5: Solve for x
    x = 53,268,156,548.18/340,846.08
  6. Step 6: Final answer
    x = 156,282.15

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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.