Finding the Fourth Proportional to 145,695.99, 218,582.88 and 52,211.19
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Solution
The fourth proportional to 145,695.99, 218,582.88 and 52,211.19 is: 78,330.72
Step by Step Solution
- Step 1: Write the proportion equation
145,695.99 : 218,582.88 = 52,211.19 : x - Step 2: Convert to fraction form
145,695.99/218,582.88 = 52,211.19/x - Step 3: Cross multiply
145,695.99x = 218,582.88 × 52,211.19 - Step 4: Simplify right side
145,695.99x = 11,412,472,278.43 - Step 5: Solve for x
x = 11,412,472,278.43/145,695.99 - Step 6: Final answer
x = 78,330.72
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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.