Finding the Fourth Proportional to 850,631.79, 1,276,197.17 and 251,608.71
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Solution
The fourth proportional to 850,631.79, 1,276,197.17 and 251,608.71 is: 377,486.86
Step by Step Solution
- Step 1: Write the proportion equation
850,631.79 : 1,276,197.17 = 251,608.71 : x - Step 2: Convert to fraction form
850,631.79/1,276,197.17 = 251,608.71/x - Step 3: Cross multiply
850,631.79x = 1,276,197.17 × 251,608.71 - Step 4: Simplify right side
850,631.79x = 321,102,322,391.31 - Step 5: Solve for x
x = 321,102,322,391.31/850,631.79 - Step 6: Final answer
x = 377,486.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.