Home / 220,036.35-303,351.99-188,113.86

Finding the Fourth Proportional to 220,036.35, 303,351.99 and 188,113.86

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Solution

The fourth proportional to 220,036.35, 303,351.99 and 188,113.86 is: 259,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,036.35 : 303,351.99 = 188,113.86 : x
  2. Step 2: Convert to fraction form
    220,036.35/303,351.99 = 188,113.86/x
  3. Step 3: Cross multiply
    220,036.35x = 303,351.99 × 188,113.86
  4. Step 4: Simplify right side
    220,036.35x = 57,064,714,209.72
  5. Step 5: Solve for x
    x = 57,064,714,209.72/220,036.35
  6. Step 6: Final answer
    x = 259,342.22

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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.