Home / 436,255.36-654,397.62-120,685.84

Finding the Fourth Proportional to 436,255.36, 654,397.62 and 120,685.84

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Solution

The fourth proportional to 436,255.36, 654,397.62 and 120,685.84 is: 181,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,255.36 : 654,397.62 = 120,685.84 : x
  2. Step 2: Convert to fraction form
    436,255.36/654,397.62 = 120,685.84/x
  3. Step 3: Cross multiply
    436,255.36x = 654,397.62 × 120,685.84
  4. Step 4: Simplify right side
    436,255.36x = 78,976,526,463.70
  5. Step 5: Solve for x
    x = 78,976,526,463.70/436,255.36
  6. Step 6: Final answer
    x = 181,032.79

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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.