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Finding the Fourth Proportional to 340,892.51, 511,338.83 and 104,235.21

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Solution

The fourth proportional to 340,892.51, 511,338.83 and 104,235.21 is: 156,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,892.51 : 511,338.83 = 104,235.21 : x
  2. Step 2: Convert to fraction form
    340,892.51/511,338.83 = 104,235.21/x
  3. Step 3: Cross multiply
    340,892.51x = 511,338.83 × 104,235.21
  4. Step 4: Simplify right side
    340,892.51x = 53,299,509,805.03
  5. Step 5: Solve for x
    x = 53,299,509,805.03/340,892.51
  6. Step 6: Final answer
    x = 156,352.84

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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.