Home / 345,621.75-476,958.03-186,645.75

Finding the Fourth Proportional to 345,621.75, 476,958.03 and 186,645.75

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Solution

The fourth proportional to 345,621.75, 476,958.03 and 186,645.75 is: 257,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,621.75 : 476,958.03 = 186,645.75 : x
  2. Step 2: Convert to fraction form
    345,621.75/476,958.03 = 186,645.75/x
  3. Step 3: Cross multiply
    345,621.75x = 476,958.03 × 186,645.75
  4. Step 4: Simplify right side
    345,621.75x = 89,022,189,227.87
  5. Step 5: Solve for x
    x = 89,022,189,227.87/345,621.75
  6. Step 6: Final answer
    x = 257,571.14

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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.