Finding the Fourth Proportional to 189,035.43, 260,868.93 and 104,151.75
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Solution
The fourth proportional to 189,035.43, 260,868.93 and 104,151.75 is: 143,729.44
Step by Step Solution
- Step 1: Write the proportion equation
189,035.43 : 260,868.93 = 104,151.75 : x - Step 2: Convert to fraction form
189,035.43/260,868.93 = 104,151.75/x - Step 3: Cross multiply
189,035.43x = 260,868.93 × 104,151.75 - Step 4: Simplify right side
189,035.43x = 27,169,955,580.13 - Step 5: Solve for x
x = 27,169,955,580.13/189,035.43 - Step 6: Final answer
x = 143,729.44
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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.