Home / 291,080.44-401,558.24-210,380.14

Finding the Fourth Proportional to 291,080.44, 401,558.24 and 210,380.14

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Solution

The fourth proportional to 291,080.44, 401,558.24 and 210,380.14 is: 290,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,080.44 : 401,558.24 = 210,380.14 : x
  2. Step 2: Convert to fraction form
    291,080.44/401,558.24 = 210,380.14/x
  3. Step 3: Cross multiply
    291,080.44x = 401,558.24 × 210,380.14
  4. Step 4: Simplify right side
    291,080.44x = 84,479,878,749.35
  5. Step 5: Solve for x
    x = 84,479,878,749.35/291,080.44
  6. Step 6: Final answer
    x = 290,228.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.