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Finding the Fourth Proportional to 384,994.08, 576,190.08 and 274,900.32

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Solution

The fourth proportional to 384,994.08, 576,190.08 and 274,900.32 is: 411,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,994.08 : 576,190.08 = 274,900.32 : x
  2. Step 2: Convert to fraction form
    384,994.08/576,190.08 = 274,900.32/x
  3. Step 3: Cross multiply
    384,994.08x = 576,190.08 × 274,900.32
  4. Step 4: Simplify right side
    384,994.08x = 158,394,837,372.83
  5. Step 5: Solve for x
    x = 158,394,837,372.83/384,994.08
  6. Step 6: Final answer
    x = 411,421.49

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1.5x scale

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.