Finding the Fourth Proportional to 189,855.99, 262,006.56 and 104,976.09
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Solution
The fourth proportional to 189,855.99, 262,006.56 and 104,976.09 is: 144,869.93
Step by Step Solution
- Step 1: Write the proportion equation
189,855.99 : 262,006.56 = 104,976.09 : x - Step 2: Convert to fraction form
189,855.99/262,006.56 = 104,976.09/x - Step 3: Cross multiply
189,855.99x = 262,006.56 × 104,976.09 - Step 4: Simplify right side
189,855.99x = 27,504,424,223.15 - Step 5: Solve for x
x = 27,504,424,223.15/189,855.99 - Step 6: Final answer
x = 144,869.93
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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.