Home / 217,047.89-325,522.62-76,806.51

Finding the Fourth Proportional to 217,047.89, 325,522.62 and 76,806.51

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Solution

The fourth proportional to 217,047.89, 325,522.62 and 76,806.51 is: 115,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,047.89 : 325,522.62 = 76,806.51 : x
  2. Step 2: Convert to fraction form
    217,047.89/325,522.62 = 76,806.51/x
  3. Step 3: Cross multiply
    217,047.89x = 325,522.62 × 76,806.51
  4. Step 4: Simplify right side
    217,047.89x = 25,002,256,368.26
  5. Step 5: Solve for x
    x = 25,002,256,368.26/217,047.89
  6. Step 6: Final answer
    x = 115,192.35

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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.