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Finding the Fourth Proportional to 300,884.56, 415,266.43 and 192,035.88

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Solution

The fourth proportional to 300,884.56, 415,266.43 and 192,035.88 is: 265,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,884.56 : 415,266.43 = 192,035.88 : x
  2. Step 2: Convert to fraction form
    300,884.56/415,266.43 = 192,035.88/x
  3. Step 3: Cross multiply
    300,884.56x = 415,266.43 × 192,035.88
  4. Step 4: Simplify right side
    300,884.56x = 79,746,054,319.51
  5. Step 5: Solve for x
    x = 79,746,054,319.51/300,884.56
  6. Step 6: Final answer
    x = 265,038.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.