Home / 219,905.55-303,313.26-201,814.74

Finding the Fourth Proportional to 219,905.55, 303,313.26 and 201,814.74

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Solution

The fourth proportional to 219,905.55, 303,313.26 and 201,814.74 is: 278,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,905.55 : 303,313.26 = 201,814.74 : x
  2. Step 2: Convert to fraction form
    219,905.55/303,313.26 = 201,814.74/x
  3. Step 3: Cross multiply
    219,905.55x = 303,313.26 × 201,814.74
  4. Step 4: Simplify right side
    219,905.55x = 61,213,086,705.45
  5. Step 5: Solve for x
    x = 61,213,086,705.45/219,905.55
  6. Step 6: Final answer
    x = 278,360.81

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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.