Home / 440,190.32-660,093.20-155,786.34

Finding the Fourth Proportional to 440,190.32, 660,093.20 and 155,786.34

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Solution

The fourth proportional to 440,190.32, 660,093.20 and 155,786.34 is: 233,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,190.32 : 660,093.20 = 155,786.34 : x
  2. Step 2: Convert to fraction form
    440,190.32/660,093.20 = 155,786.34/x
  3. Step 3: Cross multiply
    440,190.32x = 660,093.20 × 155,786.34
  4. Step 4: Simplify right side
    440,190.32x = 102,833,505,967.51
  5. Step 5: Solve for x
    x = 102,833,505,967.51/440,190.32
  6. Step 6: Final answer
    x = 233,611.47

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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.