Home / 214,215.32-320,928.86-134,238.38

Finding the Fourth Proportional to 214,215.32, 320,928.86 and 134,238.38

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Solution

The fourth proportional to 214,215.32, 320,928.86 and 134,238.38 is: 201,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,215.32 : 320,928.86 = 134,238.38 : x
  2. Step 2: Convert to fraction form
    214,215.32/320,928.86 = 134,238.38/x
  3. Step 3: Cross multiply
    214,215.32x = 320,928.86 × 134,238.38
  4. Step 4: Simplify right side
    214,215.32x = 43,080,970,261.65
  5. Step 5: Solve for x
    x = 43,080,970,261.65/214,215.32
  6. Step 6: Final answer
    x = 201,110.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.