Home / 331,583.04-496,958.40-261,184.32

Finding the Fourth Proportional to 331,583.04, 496,958.40 and 261,184.32

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Solution

The fourth proportional to 331,583.04, 496,958.40 and 261,184.32 is: 391,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,583.04 : 496,958.40 = 261,184.32 : x
  2. Step 2: Convert to fraction form
    331,583.04/496,958.40 = 261,184.32/x
  3. Step 3: Cross multiply
    331,583.04x = 496,958.40 × 261,184.32
  4. Step 4: Simplify right side
    331,583.04x = 129,797,741,772.29
  5. Step 5: Solve for x
    x = 129,797,741,772.29/331,583.04
  6. Step 6: Final answer
    x = 391,448.68

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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.