Home / 436,769.42-655,157.77-137,243.36

Finding the Fourth Proportional to 436,769.42, 655,157.77 and 137,243.36

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Solution

The fourth proportional to 436,769.42, 655,157.77 and 137,243.36 is: 205,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,769.42 : 655,157.77 = 137,243.36 : x
  2. Step 2: Convert to fraction form
    436,769.42/655,157.77 = 137,243.36/x
  3. Step 3: Cross multiply
    436,769.42x = 655,157.77 × 137,243.36
  4. Step 4: Simplify right side
    436,769.42x = 89,916,054,979.69
  5. Step 5: Solve for x
    x = 89,916,054,979.69/436,769.42
  6. Step 6: Final answer
    x = 205,866.19

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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.