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Finding the Fourth Proportional to 218,418.58, 327,628 and 60,647.04

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Solution

The fourth proportional to 218,418.58, 327,628 and 60,647.04 is: 90,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,418.58 : 327,628 = 60,647.04 : x
  2. Step 2: Convert to fraction form
    218,418.58/327,628 = 60,647.04/x
  3. Step 3: Cross multiply
    218,418.58x = 327,628 × 60,647.04
  4. Step 4: Simplify right side
    218,418.58x = 19,869,668,421.12
  5. Step 5: Solve for x
    x = 19,869,668,421.12/218,418.58
  6. Step 6: Final answer
    x = 90,970.60

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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.