Finding the Fourth Proportional to 189,708.24, 261,794.76 and 104,824.08
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Solution
The fourth proportional to 189,708.24, 261,794.76 and 104,824.08 is: 144,655.79
Step by Step Solution
- Step 1: Write the proportion equation
189,708.24 : 261,794.76 = 104,824.08 : x - Step 2: Convert to fraction form
189,708.24/261,794.76 = 104,824.08/x - Step 3: Cross multiply
189,708.24x = 261,794.76 × 104,824.08 - Step 4: Simplify right side
189,708.24x = 27,442,394,865.82 - Step 5: Solve for x
x = 27,442,394,865.82/189,708.24 - Step 6: Final answer
x = 144,655.79
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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.