Home / 351,131.82-484,558.45-189,983.34

Finding the Fourth Proportional to 351,131.82, 484,558.45 and 189,983.34

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Solution

The fourth proportional to 351,131.82, 484,558.45 and 189,983.34 is: 262,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,131.82 : 484,558.45 = 189,983.34 : x
  2. Step 2: Convert to fraction form
    351,131.82/484,558.45 = 189,983.34/x
  3. Step 3: Cross multiply
    351,131.82x = 484,558.45 × 189,983.34
  4. Step 4: Simplify right side
    351,131.82x = 92,058,032,756.22
  5. Step 5: Solve for x
    x = 92,058,032,756.22/351,131.82
  6. Step 6: Final answer
    x = 262,175.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.