Home / 436,910.32-655,393.73-137,402.49

Finding the Fourth Proportional to 436,910.32, 655,393.73 and 137,402.49

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Solution

The fourth proportional to 436,910.32, 655,393.73 and 137,402.49 is: 206,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,910.32 : 655,393.73 = 137,402.49 : x
  2. Step 2: Convert to fraction form
    436,910.32/655,393.73 = 137,402.49/x
  3. Step 3: Cross multiply
    436,910.32x = 655,393.73 × 137,402.49
  4. Step 4: Simplify right side
    436,910.32x = 90,052,732,975.99
  5. Step 5: Solve for x
    x = 90,052,732,975.99/436,910.32
  6. Step 6: Final answer
    x = 206,112.62

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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.