Home / 218,617.03-327,184.87-134,430.51

Finding the Fourth Proportional to 218,617.03, 327,184.87 and 134,430.51

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Solution

The fourth proportional to 218,617.03, 327,184.87 and 134,430.51 is: 201,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,617.03 : 327,184.87 = 134,430.51 : x
  2. Step 2: Convert to fraction form
    218,617.03/327,184.87 = 134,430.51/x
  3. Step 3: Cross multiply
    218,617.03x = 327,184.87 × 134,430.51
  4. Step 4: Simplify right side
    218,617.03x = 43,983,629,829.25
  5. Step 5: Solve for x
    x = 43,983,629,829.25/218,617.03
  6. Step 6: Final answer
    x = 201,190.32

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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.