Finding the Fourth Proportional to 189,090.36, 260,943.39 and 104,207.49
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Solution
The fourth proportional to 189,090.36, 260,943.39 and 104,207.49 is: 143,805.62
Step by Step Solution
- Step 1: Write the proportion equation
189,090.36 : 260,943.39 = 104,207.49 : x - Step 2: Convert to fraction form
189,090.36/260,943.39 = 104,207.49/x - Step 3: Cross multiply
189,090.36x = 260,943.39 × 104,207.49 - Step 4: Simplify right side
189,090.36x = 27,192,255,703.99 - Step 5: Solve for x
x = 27,192,255,703.99/189,090.36 - Step 6: Final answer
x = 143,805.62
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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.