Home / 442,183.50-610,311.72-281,007.12

Finding the Fourth Proportional to 442,183.50, 610,311.72 and 281,007.12

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Solution

The fourth proportional to 442,183.50, 610,311.72 and 281,007.12 is: 387,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,183.50 : 610,311.72 = 281,007.12 : x
  2. Step 2: Convert to fraction form
    442,183.50/610,311.72 = 281,007.12/x
  3. Step 3: Cross multiply
    442,183.50x = 610,311.72 × 281,007.12
  4. Step 4: Simplify right side
    442,183.50x = 171,501,938,739.45
  5. Step 5: Solve for x
    x = 171,501,938,739.45/442,183.50
  6. Step 6: Final answer
    x = 387,852.42

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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.