Home / 227,919.76-314,558.64-137,322.88

Finding the Fourth Proportional to 227,919.76, 314,558.64 and 137,322.88

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Solution

The fourth proportional to 227,919.76, 314,558.64 and 137,322.88 is: 189,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,919.76 : 314,558.64 = 137,322.88 : x
  2. Step 2: Convert to fraction form
    227,919.76/314,558.64 = 137,322.88/x
  3. Step 3: Cross multiply
    227,919.76x = 314,558.64 × 137,322.88
  4. Step 4: Simplify right side
    227,919.76x = 43,196,098,373.68
  5. Step 5: Solve for x
    x = 43,196,098,373.68/227,919.76
  6. Step 6: Final answer
    x = 189,523.27

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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.