Finding the Fourth Proportional to 192,302.88, 288,603.12 and 125,724.96
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Solution
The fourth proportional to 192,302.88, 288,603.12 and 125,724.96 is: 188,684.72
Step by Step Solution
- Step 1: Write the proportion equation
192,302.88 : 288,603.12 = 125,724.96 : x - Step 2: Convert to fraction form
192,302.88/288,603.12 = 125,724.96/x - Step 3: Cross multiply
192,302.88x = 288,603.12 × 125,724.96 - Step 4: Simplify right side
192,302.88x = 36,284,615,717.88 - Step 5: Solve for x
x = 36,284,615,717.88/192,302.88 - Step 6: Final answer
x = 188,684.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.