Finding the Fourth Proportional to 202,964.09, 279,861.18 and 151,812.92
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Solution
The fourth proportional to 202,964.09, 279,861.18 and 151,812.92 is: 209,330.34
Step by Step Solution
- Step 1: Write the proportion equation
202,964.09 : 279,861.18 = 151,812.92 : x - Step 2: Convert to fraction form
202,964.09/279,861.18 = 151,812.92/x - Step 3: Cross multiply
202,964.09x = 279,861.18 × 151,812.92 - Step 4: Simplify right side
202,964.09x = 42,486,541,531.14 - Step 5: Solve for x
x = 42,486,541,531.14/202,964.09 - Step 6: Final answer
x = 209,330.34
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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.