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Finding the Fourth Proportional to 340,539.97, 510,690.32 and 100,589.85

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Solution

The fourth proportional to 340,539.97, 510,690.32 and 100,589.85 is: 150,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,539.97 : 510,690.32 = 100,589.85 : x
  2. Step 2: Convert to fraction form
    340,539.97/510,690.32 = 100,589.85/x
  3. Step 3: Cross multiply
    340,539.97x = 510,690.32 × 100,589.85
  4. Step 4: Simplify right side
    340,539.97x = 51,370,262,559.51
  5. Step 5: Solve for x
    x = 51,370,262,559.51/340,539.97
  6. Step 6: Final answer
    x = 150,849.44

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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.