Finding the Fourth Proportional to 237,343.74, 327,534.12 and 129,912.81
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Solution
The fourth proportional to 237,343.74, 327,534.12 and 129,912.81 is: 179,279.55
Step by Step Solution
- Step 1: Write the proportion equation
237,343.74 : 327,534.12 = 129,912.81 : x - Step 2: Convert to fraction form
237,343.74/327,534.12 = 129,912.81/x - Step 3: Cross multiply
237,343.74x = 327,534.12 × 129,912.81 - Step 4: Simplify right side
237,343.74x = 42,550,877,900.08 - Step 5: Solve for x
x = 42,550,877,900.08/237,343.74 - Step 6: Final answer
x = 179,279.55
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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.