Home / 331,330.50-496,995.75-82,012.50

Finding the Fourth Proportional to 331,330.50, 496,995.75 and 82,012.50

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Solution

The fourth proportional to 331,330.50, 496,995.75 and 82,012.50 is: 123,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330.50 : 496,995.75 = 82,012.50 : x
  2. Step 2: Convert to fraction form
    331,330.50/496,995.75 = 82,012.50/x
  3. Step 3: Cross multiply
    331,330.50x = 496,995.75 × 82,012.50
  4. Step 4: Simplify right side
    331,330.50x = 40,759,863,946.88
  5. Step 5: Solve for x
    x = 40,759,863,946.88/331,330.50
  6. Step 6: Final answer
    x = 123,018.75

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Double scale
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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.