Finding the Fourth Proportional to 189,374.37, 261,336.45 and 104,491.44
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Solution
The fourth proportional to 189,374.37, 261,336.45 and 104,491.44 is: 144,198.09
Step by Step Solution
- Step 1: Write the proportion equation
189,374.37 : 261,336.45 = 104,491.44 : x - Step 2: Convert to fraction form
189,374.37/261,336.45 = 104,491.44/x - Step 3: Cross multiply
189,374.37x = 261,336.45 × 104,491.44 - Step 4: Simplify right side
189,374.37x = 27,307,421,984.99 - Step 5: Solve for x
x = 27,307,421,984.99/189,374.37 - Step 6: Final answer
x = 144,198.09
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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.