Finding the Fourth Proportional to 205,297.20, 281,252.47 and 197,621.62
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Solution
The fourth proportional to 205,297.20, 281,252.47 and 197,621.62 is: 270,737.09
Step by Step Solution
- Step 1: Write the proportion equation
205,297.20 : 281,252.47 = 197,621.62 : x - Step 2: Convert to fraction form
205,297.20/281,252.47 = 197,621.62/x - Step 3: Cross multiply
205,297.20x = 281,252.47 × 197,621.62 - Step 4: Simplify right side
205,297.20x = 55,581,566,961.76 - Step 5: Solve for x
x = 55,581,566,961.76/205,297.20 - Step 6: Final answer
x = 270,737.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.