Home / 207,393.40-311,090.10-82,823.80

Finding the Fourth Proportional to 207,393.40, 311,090.10 and 82,823.80

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Solution

The fourth proportional to 207,393.40, 311,090.10 and 82,823.80 is: 124,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,393.40 : 311,090.10 = 82,823.80 : x
  2. Step 2: Convert to fraction form
    207,393.40/311,090.10 = 82,823.80/x
  3. Step 3: Cross multiply
    207,393.40x = 311,090.10 × 82,823.80
  4. Step 4: Simplify right side
    207,393.40x = 25,765,664,224.38
  5. Step 5: Solve for x
    x = 25,765,664,224.38/207,393.40
  6. Step 6: Final answer
    x = 124,235.70

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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.