Home / 289,260.82-433,143.60-199,580.06

Finding the Fourth Proportional to 289,260.82, 433,143.60 and 199,580.06

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Solution

The fourth proportional to 289,260.82, 433,143.60 and 199,580.06 is: 298,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,260.82 : 433,143.60 = 199,580.06 : x
  2. Step 2: Convert to fraction form
    289,260.82/433,143.60 = 199,580.06/x
  3. Step 3: Cross multiply
    289,260.82x = 433,143.60 × 199,580.06
  4. Step 4: Simplify right side
    289,260.82x = 86,446,825,676.62
  5. Step 5: Solve for x
    x = 86,446,825,676.62/289,260.82
  6. Step 6: Final answer
    x = 298,854.25

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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.