Home / 436,110.80-654,170.04-120,664.40

Finding the Fourth Proportional to 436,110.80, 654,170.04 and 120,664.40

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Solution

The fourth proportional to 436,110.80, 654,170.04 and 120,664.40 is: 180,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,110.80 : 654,170.04 = 120,664.40 : x
  2. Step 2: Convert to fraction form
    436,110.80/654,170.04 = 120,664.40/x
  3. Step 3: Cross multiply
    436,110.80x = 654,170.04 × 120,664.40
  4. Step 4: Simplify right side
    436,110.80x = 78,935,035,374.58
  5. Step 5: Solve for x
    x = 78,935,035,374.58/436,110.80
  6. Step 6: Final answer
    x = 180,997.66

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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.