Finding the Fourth Proportional to 189,471.40, 283,832.70 and 122,957.80
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Solution
The fourth proportional to 189,471.40, 283,832.70 and 122,957.80 is: 184,193.73
Step by Step Solution
- Step 1: Write the proportion equation
189,471.40 : 283,832.70 = 122,957.80 : x - Step 2: Convert to fraction form
189,471.40/283,832.70 = 122,957.80/x - Step 3: Cross multiply
189,471.40x = 283,832.70 × 122,957.80 - Step 4: Simplify right side
189,471.40x = 34,899,444,360.06 - Step 5: Solve for x
x = 34,899,444,360.06/189,471.40 - Step 6: Final answer
x = 184,193.73
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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.