Finding the Fourth Proportional to 237,990.36, 328,432.32 and 147,361.08
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Solution
The fourth proportional to 237,990.36, 328,432.32 and 147,361.08 is: 203,361.77
Step by Step Solution
- Step 1: Write the proportion equation
237,990.36 : 328,432.32 = 147,361.08 : x - Step 2: Convert to fraction form
237,990.36/328,432.32 = 147,361.08/x - Step 3: Cross multiply
237,990.36x = 328,432.32 × 147,361.08 - Step 4: Simplify right side
237,990.36x = 48,398,141,382.11 - Step 5: Solve for x
x = 48,398,141,382.11/237,990.36 - Step 6: Final answer
x = 203,361.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.