Home / 436,229.89-654,062.95-208,431.97

Finding the Fourth Proportional to 436,229.89, 654,062.95 and 208,431.97

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Solution

The fourth proportional to 436,229.89, 654,062.95 and 208,431.97 is: 312,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,229.89 : 654,062.95 = 208,431.97 : x
  2. Step 2: Convert to fraction form
    436,229.89/654,062.95 = 208,431.97/x
  3. Step 3: Cross multiply
    436,229.89x = 654,062.95 × 208,431.97
  4. Step 4: Simplify right side
    436,229.89x = 136,327,629,172.51
  5. Step 5: Solve for x
    x = 136,327,629,172.51/436,229.89
  6. Step 6: Final answer
    x = 312,513.27

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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.