Finding the Fourth Proportional to 492,102.08, 738,153.11 and 281,591.18
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Solution
The fourth proportional to 492,102.08, 738,153.11 and 281,591.18 is: 422,386.76
Step by Step Solution
- Step 1: Write the proportion equation
492,102.08 : 738,153.11 = 281,591.18 : x - Step 2: Convert to fraction form
492,102.08/738,153.11 = 281,591.18/x - Step 3: Cross multiply
492,102.08x = 738,153.11 × 281,591.18 - Step 4: Simplify right side
492,102.08x = 207,857,400,166.85 - Step 5: Solve for x
x = 207,857,400,166.85/492,102.08 - Step 6: Final answer
x = 422,386.76
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Similar ratio
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1.5x scale
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.