Home / 218,268.06-327,402.90-66,466.50

Finding the Fourth Proportional to 218,268.06, 327,402.90 and 66,466.50

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Solution

The fourth proportional to 218,268.06, 327,402.90 and 66,466.50 is: 99,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,268.06 : 327,402.90 = 66,466.50 : x
  2. Step 2: Convert to fraction form
    218,268.06/327,402.90 = 66,466.50/x
  3. Step 3: Cross multiply
    218,268.06x = 327,402.90 × 66,466.50
  4. Step 4: Simplify right side
    218,268.06x = 21,761,324,852.85
  5. Step 5: Solve for x
    x = 21,761,324,852.85/218,268.06
  6. Step 6: Final answer
    x = 99,700.00

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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.