Finding the Fourth Proportional to 187,764.18, 281,670.80 and 99,020.99
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Solution
The fourth proportional to 187,764.18, 281,670.80 and 99,020.99 is: 148,544.41
Step by Step Solution
- Step 1: Write the proportion equation
187,764.18 : 281,670.80 = 99,020.99 : x - Step 2: Convert to fraction form
187,764.18/281,670.80 = 99,020.99/x - Step 3: Cross multiply
187,764.18x = 281,670.80 × 99,020.99 - Step 4: Simplify right side
187,764.18x = 27,891,319,566.63 - Step 5: Solve for x
x = 27,891,319,566.63/187,764.18 - Step 6: Final answer
x = 148,544.41
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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.