Finding the Fourth Proportional to 146,125.67, 218,994.74 and 75,045.44
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Solution
The fourth proportional to 146,125.67, 218,994.74 and 75,045.44 is: 112,468.65
Step by Step Solution
- Step 1: Write the proportion equation
146,125.67 : 218,994.74 = 75,045.44 : x - Step 2: Convert to fraction form
146,125.67/218,994.74 = 75,045.44/x - Step 3: Cross multiply
146,125.67x = 218,994.74 × 75,045.44 - Step 4: Simplify right side
146,125.67x = 16,434,556,245.76 - Step 5: Solve for x
x = 16,434,556,245.76/146,125.67 - Step 6: Final answer
x = 112,468.65
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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.