Home / 291,738.70-437,936.10-225,472.60

Finding the Fourth Proportional to 291,738.70, 437,936.10 and 225,472.60

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Solution

The fourth proportional to 291,738.70, 437,936.10 and 225,472.60 is: 338,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,738.70 : 437,936.10 = 225,472.60 : x
  2. Step 2: Convert to fraction form
    291,738.70/437,936.10 = 225,472.60/x
  3. Step 3: Cross multiply
    291,738.70x = 437,936.10 × 225,472.60
  4. Step 4: Simplify right side
    291,738.70x = 98,742,591,100.86
  5. Step 5: Solve for x
    x = 98,742,591,100.86/291,738.70
  6. Step 6: Final answer
    x = 338,462.44

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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.