Home / 214,678.88-322,149.36-135,684.32

Finding the Fourth Proportional to 214,678.88, 322,149.36 and 135,684.32

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Solution

The fourth proportional to 214,678.88, 322,149.36 and 135,684.32 is: 203,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,678.88 : 322,149.36 = 135,684.32 : x
  2. Step 2: Convert to fraction form
    214,678.88/322,149.36 = 135,684.32/x
  3. Step 3: Cross multiply
    214,678.88x = 322,149.36 × 135,684.32
  4. Step 4: Simplify right side
    214,678.88x = 43,710,616,850.04
  5. Step 5: Solve for x
    x = 43,710,616,850.04/214,678.88
  6. Step 6: Final answer
    x = 203,609.30

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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.