Finding the Fourth Proportional to 438,964.41, 658,431.69 and 186,082.21
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Solution
The fourth proportional to 438,964.41, 658,431.69 and 186,082.21 is: 279,116.99
Step by Step Solution
- Step 1: Write the proportion equation
438,964.41 : 658,431.69 = 186,082.21 : x - Step 2: Convert to fraction form
438,964.41/658,431.69 = 186,082.21/x - Step 3: Cross multiply
438,964.41x = 658,431.69 × 186,082.21 - Step 4: Simplify right side
438,964.41x = 122,522,424,134.47 - Step 5: Solve for x
x = 122,522,424,134.47/438,964.41 - Step 6: Final answer
x = 279,116.99
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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.