Finding the Fourth Proportional to 192,316.88, 288,624.12 and 125,738.96
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Solution
The fourth proportional to 192,316.88, 288,624.12 and 125,738.96 is: 188,705.73
Step by Step Solution
- Step 1: Write the proportion equation
192,316.88 : 288,624.12 = 125,738.96 : x - Step 2: Convert to fraction form
192,316.88/288,624.12 = 125,738.96/x - Step 3: Cross multiply
192,316.88x = 288,624.12 × 125,738.96 - Step 4: Simplify right side
192,316.88x = 36,291,296,679.72 - Step 5: Solve for x
x = 36,291,296,679.72/192,316.88 - Step 6: Final answer
x = 188,705.73
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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.