Home / 335,916.96-503,872.31-136,189.87

Finding the Fourth Proportional to 335,916.96, 503,872.31 and 136,189.87

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Solution

The fourth proportional to 335,916.96, 503,872.31 and 136,189.87 is: 204,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,916.96 : 503,872.31 = 136,189.87 : x
  2. Step 2: Convert to fraction form
    335,916.96/503,872.31 = 136,189.87/x
  3. Step 3: Cross multiply
    335,916.96x = 503,872.31 × 136,189.87
  4. Step 4: Simplify right side
    335,916.96x = 68,622,303,476.29
  5. Step 5: Solve for x
    x = 68,622,303,476.29/335,916.96
  6. Step 6: Final answer
    x = 204,283.53

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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.