Home / 218,615.02-327,968.61-70,859.50

Finding the Fourth Proportional to 218,615.02, 327,968.61 and 70,859.50

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Solution

The fourth proportional to 218,615.02, 327,968.61 and 70,859.50 is: 106,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,615.02 : 327,968.61 = 70,859.50 : x
  2. Step 2: Convert to fraction form
    218,615.02/327,968.61 = 70,859.50/x
  3. Step 3: Cross multiply
    218,615.02x = 327,968.61 × 70,859.50
  4. Step 4: Simplify right side
    218,615.02x = 23,239,691,720.30
  5. Step 5: Solve for x
    x = 23,239,691,720.30/218,615.02
  6. Step 6: Final answer
    x = 106,304.19

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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.