Home / 231,212-346,887.94-163,874.28

Finding the Fourth Proportional to 231,212, 346,887.94 and 163,874.28

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Solution

The fourth proportional to 231,212, 346,887.94 and 163,874.28 is: 245,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,212 : 346,887.94 = 163,874.28 : x
  2. Step 2: Convert to fraction form
    231,212/346,887.94 = 163,874.28/x
  3. Step 3: Cross multiply
    231,212x = 346,887.94 × 163,874.28
  4. Step 4: Simplify right side
    231,212x = 56,846,011,408.18
  5. Step 5: Solve for x
    x = 56,846,011,408.18/231,212
  6. Step 6: Final answer
    x = 245,860.99

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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.