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Finding the Fourth Proportional to 680,816, 1,021,224 and 182,167.04

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Solution

The fourth proportional to 680,816, 1,021,224 and 182,167.04 is: 273,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,816 : 1,021,224 = 182,167.04 : x
  2. Step 2: Convert to fraction form
    680,816/1,021,224 = 182,167.04/x
  3. Step 3: Cross multiply
    680,816x = 1,021,224 × 182,167.04
  4. Step 4: Simplify right side
    680,816x = 186,033,353,256.96
  5. Step 5: Solve for x
    x = 186,033,353,256.96/680,816
  6. Step 6: Final answer
    x = 273,250.56

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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.