Home / 436,170.56-654,255.04-136,674.08

Finding the Fourth Proportional to 436,170.56, 654,255.04 and 136,674.08

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Solution

The fourth proportional to 436,170.56, 654,255.04 and 136,674.08 is: 205,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,170.56 : 654,255.04 = 136,674.08 : x
  2. Step 2: Convert to fraction form
    436,170.56/654,255.04 = 136,674.08/x
  3. Step 3: Cross multiply
    436,170.56x = 654,255.04 × 136,674.08
  4. Step 4: Simplify right side
    436,170.56x = 89,419,705,677.36
  5. Step 5: Solve for x
    x = 89,419,705,677.36/436,170.56
  6. Step 6: Final answer
    x = 205,010.87

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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.