Home / 419,621.68-629,549.32-182,985.20

Finding the Fourth Proportional to 419,621.68, 629,549.32 and 182,985.20

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Solution

The fourth proportional to 419,621.68, 629,549.32 and 182,985.20 is: 274,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,621.68 : 629,549.32 = 182,985.20 : x
  2. Step 2: Convert to fraction form
    419,621.68/629,549.32 = 182,985.20/x
  3. Step 3: Cross multiply
    419,621.68x = 629,549.32 × 182,985.20
  4. Step 4: Simplify right side
    419,621.68x = 115,198,208,230.06
  5. Step 5: Solve for x
    x = 115,198,208,230.06/419,621.68
  6. Step 6: Final answer
    x = 274,528.73

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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.