Home / 218,976.32-302,358.34-171,365.34

Finding the Fourth Proportional to 218,976.32, 302,358.34 and 171,365.34

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Solution

The fourth proportional to 218,976.32, 302,358.34 and 171,365.34 is: 236,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,976.32 : 302,358.34 = 171,365.34 : x
  2. Step 2: Convert to fraction form
    218,976.32/302,358.34 = 171,365.34/x
  3. Step 3: Cross multiply
    218,976.32x = 302,358.34 × 171,365.34
  4. Step 4: Simplify right side
    218,976.32x = 51,813,739,735.94
  5. Step 5: Solve for x
    x = 51,813,739,735.94/218,976.32
  6. Step 6: Final answer
    x = 236,618.00

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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.