Finding the Fourth Proportional to 189,530.18, 261,549.96 and 104,645.42
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Solution
The fourth proportional to 189,530.18, 261,549.96 and 104,645.42 is: 144,409.75
Step by Step Solution
- Step 1: Write the proportion equation
189,530.18 : 261,549.96 = 104,645.42 : x - Step 2: Convert to fraction form
189,530.18/261,549.96 = 104,645.42/x - Step 3: Cross multiply
189,530.18x = 261,549.96 × 104,645.42 - Step 4: Simplify right side
189,530.18x = 27,370,005,415.18 - Step 5: Solve for x
x = 27,370,005,415.18/189,530.18 - Step 6: Final answer
x = 144,409.75
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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.