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Finding the Fourth Proportional to 367,751.49, 552,457.64 and 218,089.95

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Solution

The fourth proportional to 367,751.49, 552,457.64 and 218,089.95 is: 327,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,751.49 : 552,457.64 = 218,089.95 : x
  2. Step 2: Convert to fraction form
    367,751.49/552,457.64 = 218,089.95/x
  3. Step 3: Cross multiply
    367,751.49x = 552,457.64 × 218,089.95
  4. Step 4: Simplify right side
    367,751.49x = 120,485,459,084.72
  5. Step 5: Solve for x
    x = 120,485,459,084.72/367,751.49
  6. Step 6: Final answer
    x = 327,627.39

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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.