Home / 331,055.40-496,583.10-109,439.40

Finding the Fourth Proportional to 331,055.40, 496,583.10 and 109,439.40

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Solution

The fourth proportional to 331,055.40, 496,583.10 and 109,439.40 is: 164,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,055.40 : 496,583.10 = 109,439.40 : x
  2. Step 2: Convert to fraction form
    331,055.40/496,583.10 = 109,439.40/x
  3. Step 3: Cross multiply
    331,055.40x = 496,583.10 × 109,439.40
  4. Step 4: Simplify right side
    331,055.40x = 54,345,756,514.14
  5. Step 5: Solve for x
    x = 54,345,756,514.14/331,055.40
  6. Step 6: Final answer
    x = 164,159.10

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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.