Finding the Fourth Proportional to 187,824.99, 281,737.08 and 47,583.21
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Solution
The fourth proportional to 187,824.99, 281,737.08 and 47,583.21 is: 71,374.71
Step by Step Solution
- Step 1: Write the proportion equation
187,824.99 : 281,737.08 = 47,583.21 : x - Step 2: Convert to fraction form
187,824.99/281,737.08 = 47,583.21/x - Step 3: Cross multiply
187,824.99x = 281,737.08 × 47,583.21 - Step 4: Simplify right side
187,824.99x = 13,405,954,642.43 - Step 5: Solve for x
x = 13,405,954,642.43/187,824.99 - Step 6: Final answer
x = 71,374.71
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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.