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Finding the Fourth Proportional to 557,183.80, 768,892.08 and 302,529.16

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Solution

The fourth proportional to 557,183.80, 768,892.08 and 302,529.16 is: 417,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,183.80 : 768,892.08 = 302,529.16 : x
  2. Step 2: Convert to fraction form
    557,183.80/768,892.08 = 302,529.16/x
  3. Step 3: Cross multiply
    557,183.80x = 768,892.08 × 302,529.16
  4. Step 4: Simplify right side
    557,183.80x = 232,612,275,093.05
  5. Step 5: Solve for x
    x = 232,612,275,093.05/557,183.80
  6. Step 6: Final answer
    x = 417,478.53

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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.