Home / 218,975.32-302,356.97-171,364.33

Finding the Fourth Proportional to 218,975.32, 302,356.97 and 171,364.33

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Solution

The fourth proportional to 218,975.32, 302,356.97 and 171,364.33 is: 236,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,975.32 : 302,356.97 = 171,364.33 : x
  2. Step 2: Convert to fraction form
    218,975.32/302,356.97 = 171,364.33/x
  3. Step 3: Cross multiply
    218,975.32x = 302,356.97 × 171,364.33
  4. Step 4: Simplify right side
    218,975.32x = 51,813,199,584.88
  5. Step 5: Solve for x
    x = 51,813,199,584.88/218,975.32
  6. Step 6: Final answer
    x = 236,616.62

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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.