Finding the Fourth Proportional to 851,718.21, 1,277,577.27 and 220,632
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Solution
The fourth proportional to 851,718.21, 1,277,577.27 and 220,632 is: 330,947.99
Step by Step Solution
- Step 1: Write the proportion equation
851,718.21 : 1,277,577.27 = 220,632 : x - Step 2: Convert to fraction form
851,718.21/1,277,577.27 = 220,632/x - Step 3: Cross multiply
851,718.21x = 1,277,577.27 × 220,632 - Step 4: Simplify right side
851,718.21x = 281,874,428,234.64 - Step 5: Solve for x
x = 281,874,428,234.64/851,718.21 - Step 6: Final answer
x = 330,947.99
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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.