Home / 283,883.36-426,120.29-209,087.96

Finding the Fourth Proportional to 283,883.36, 426,120.29 and 209,087.96

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Solution

The fourth proportional to 283,883.36, 426,120.29 and 209,087.96 is: 313,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,883.36 : 426,120.29 = 209,087.96 : x
  2. Step 2: Convert to fraction form
    283,883.36/426,120.29 = 209,087.96/x
  3. Step 3: Cross multiply
    283,883.36x = 426,120.29 × 209,087.96
  4. Step 4: Simplify right side
    283,883.36x = 89,096,621,105.27
  5. Step 5: Solve for x
    x = 89,096,621,105.27/283,883.36
  6. Step 6: Final answer
    x = 313,849.40

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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.