Home / 436,647.97-654,971.89-121,104.91

Finding the Fourth Proportional to 436,647.97, 654,971.89 and 121,104.91

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Solution

The fourth proportional to 436,647.97, 654,971.89 and 121,104.91 is: 181,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,647.97 : 654,971.89 = 121,104.91 : x
  2. Step 2: Convert to fraction form
    436,647.97/654,971.89 = 121,104.91/x
  3. Step 3: Cross multiply
    436,647.97x = 654,971.89 × 121,104.91
  4. Step 4: Simplify right side
    436,647.97x = 79,320,311,790.98
  5. Step 5: Solve for x
    x = 79,320,311,790.98/436,647.97
  6. Step 6: Final answer
    x = 181,657.35

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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.