Home / 281,867.63-388,993.25-167,214.16

Finding the Fourth Proportional to 281,867.63, 388,993.25 and 167,214.16

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Solution

The fourth proportional to 281,867.63, 388,993.25 and 167,214.16 is: 230,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,867.63 : 388,993.25 = 167,214.16 : x
  2. Step 2: Convert to fraction form
    281,867.63/388,993.25 = 167,214.16/x
  3. Step 3: Cross multiply
    281,867.63x = 388,993.25 × 167,214.16
  4. Step 4: Simplify right side
    281,867.63x = 65,045,179,544.42
  5. Step 5: Solve for x
    x = 65,045,179,544.42/281,867.63
  6. Step 6: Final answer
    x = 230,764.99

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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.