Finding the Fourth Proportional to 721,551.96, 1,082,023.44 and 216,184.79
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Solution
The fourth proportional to 721,551.96, 1,082,023.44 and 216,184.79 is: 324,185.95
Step by Step Solution
- Step 1: Write the proportion equation
721,551.96 : 1,082,023.44 = 216,184.79 : x - Step 2: Convert to fraction form
721,551.96/1,082,023.44 = 216,184.79/x - Step 3: Cross multiply
721,551.96x = 1,082,023.44 × 216,184.79 - Step 4: Simplify right side
721,551.96x = 233,917,010,151.48 - Step 5: Solve for x
x = 233,917,010,151.48/721,551.96 - Step 6: Final answer
x = 324,185.95
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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.