Home / 262,511.43-393,920.07-110,699.21

Finding the Fourth Proportional to 262,511.43, 393,920.07 and 110,699.21

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Solution

The fourth proportional to 262,511.43, 393,920.07 and 110,699.21 is: 166,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,511.43 : 393,920.07 = 110,699.21 : x
  2. Step 2: Convert to fraction form
    262,511.43/393,920.07 = 110,699.21/x
  3. Step 3: Cross multiply
    262,511.43x = 393,920.07 × 110,699.21
  4. Step 4: Simplify right side
    262,511.43x = 43,606,638,582.54
  5. Step 5: Solve for x
    x = 43,606,638,582.54/262,511.43
  6. Step 6: Final answer
    x = 166,113.29

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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.