Home / 291,298.37-436,971.14-80,936.33

Finding the Fourth Proportional to 291,298.37, 436,971.14 and 80,936.33

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Solution

The fourth proportional to 291,298.37, 436,971.14 and 80,936.33 is: 121,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,298.37 : 436,971.14 = 80,936.33 : x
  2. Step 2: Convert to fraction form
    291,298.37/436,971.14 = 80,936.33/x
  3. Step 3: Cross multiply
    291,298.37x = 436,971.14 × 80,936.33
  4. Step 4: Simplify right side
    291,298.37x = 35,366,839,982.83
  5. Step 5: Solve for x
    x = 35,366,839,982.83/291,298.37
  6. Step 6: Final answer
    x = 121,411.05

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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.