Finding the Fourth Proportional to 189,468.48, 261,465.97 and 104,584.94
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Solution
The fourth proportional to 189,468.48, 261,465.97 and 104,584.94 is: 144,326.92
Step by Step Solution
- Step 1: Write the proportion equation
189,468.48 : 261,465.97 = 104,584.94 : x - Step 2: Convert to fraction form
189,468.48/261,465.97 = 104,584.94/x - Step 3: Cross multiply
189,468.48x = 261,465.97 × 104,584.94 - Step 4: Simplify right side
189,468.48x = 27,345,402,784.49 - Step 5: Solve for x
x = 27,345,402,784.49/189,468.48 - Step 6: Final answer
x = 144,326.92
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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.