Finding the Fourth Proportional to 189,583.40, 284,412.40 and 63,221.99
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Solution
The fourth proportional to 189,583.40, 284,412.40 and 63,221.99 is: 94,845.41
Step by Step Solution
- Step 1: Write the proportion equation
189,583.40 : 284,412.40 = 63,221.99 : x - Step 2: Convert to fraction form
189,583.40/284,412.40 = 63,221.99/x - Step 3: Cross multiply
189,583.40x = 284,412.40 × 63,221.99 - Step 4: Simplify right side
189,583.40x = 17,981,116,328.56 - Step 5: Solve for x
x = 17,981,116,328.56/189,583.40 - Step 6: Final answer
x = 94,845.41
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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.