Finding the Fourth Proportional to 189,583.83, 284,374.94 and 77,238.99
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Solution
The fourth proportional to 189,583.83, 284,374.94 and 77,238.99 is: 115,858.15
Step by Step Solution
- Step 1: Write the proportion equation
189,583.83 : 284,374.94 = 77,238.99 : x - Step 2: Convert to fraction form
189,583.83/284,374.94 = 77,238.99/x - Step 3: Cross multiply
189,583.83x = 284,374.94 × 77,238.99 - Step 4: Simplify right side
189,583.83x = 21,964,832,760.72 - Step 5: Solve for x
x = 21,964,832,760.72/189,583.83 - Step 6: Final answer
x = 115,858.15
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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.