Finding the Fourth Proportional to 252,330.19, 378,183.62 and 216,539.93
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Solution
The fourth proportional to 252,330.19, 378,183.62 and 216,539.93 is: 324,542.45
Step by Step Solution
- Step 1: Write the proportion equation
252,330.19 : 378,183.62 = 216,539.93 : x - Step 2: Convert to fraction form
252,330.19/378,183.62 = 216,539.93/x - Step 3: Cross multiply
252,330.19x = 378,183.62 × 216,539.93 - Step 4: Simplify right side
252,330.19x = 81,891,856,088.76 - Step 5: Solve for x
x = 81,891,856,088.76/252,330.19 - Step 6: Final answer
x = 324,542.45
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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.