Finding the Fourth Proportional to 247,523.14, 371,338.68 and 140,957.44
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Solution
The fourth proportional to 247,523.14, 371,338.68 and 140,957.44 is: 211,466.89
Step by Step Solution
- Step 1: Write the proportion equation
247,523.14 : 371,338.68 = 140,957.44 : x - Step 2: Convert to fraction form
247,523.14/371,338.68 = 140,957.44/x - Step 3: Cross multiply
247,523.14x = 371,338.68 × 140,957.44 - Step 4: Simplify right side
247,523.14x = 52,342,949,705.78 - Step 5: Solve for x
x = 52,342,949,705.78/247,523.14 - Step 6: Final answer
x = 211,466.89
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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.