Home / 217,111.50-325,673.64-185,321.12

Finding the Fourth Proportional to 217,111.50, 325,673.64 and 185,321.12

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Solution

The fourth proportional to 217,111.50, 325,673.64 and 185,321.12 is: 277,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,111.50 : 325,673.64 = 185,321.12 : x
  2. Step 2: Convert to fraction form
    217,111.50/325,673.64 = 185,321.12/x
  3. Step 3: Cross multiply
    217,111.50x = 325,673.64 × 185,321.12
  4. Step 4: Simplify right side
    217,111.50x = 60,354,202,090.91
  5. Step 5: Solve for x
    x = 60,354,202,090.91/217,111.50
  6. Step 6: Final answer
    x = 277,987.13

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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.