Home / 218,301.36-327,452.04-78,051.48

Finding the Fourth Proportional to 218,301.36, 327,452.04 and 78,051.48

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Solution

The fourth proportional to 218,301.36, 327,452.04 and 78,051.48 is: 117,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,301.36 : 327,452.04 = 78,051.48 : x
  2. Step 2: Convert to fraction form
    218,301.36/327,452.04 = 78,051.48/x
  3. Step 3: Cross multiply
    218,301.36x = 327,452.04 × 78,051.48
  4. Step 4: Simplify right side
    218,301.36x = 25,558,116,351.02
  5. Step 5: Solve for x
    x = 25,558,116,351.02/218,301.36
  6. Step 6: Final answer
    x = 117,077.22

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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.