Finding the Fourth Proportional to 551,415.10, 827,122.65 and 271,479.10
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Solution
The fourth proportional to 551,415.10, 827,122.65 and 271,479.10 is: 407,218.65
Step by Step Solution
- Step 1: Write the proportion equation
551,415.10 : 827,122.65 = 271,479.10 : x - Step 2: Convert to fraction form
551,415.10/827,122.65 = 271,479.10/x - Step 3: Cross multiply
551,415.10x = 827,122.65 × 271,479.10 - Step 4: Simplify right side
551,415.10x = 224,546,512,611.62 - Step 5: Solve for x
x = 224,546,512,611.62/551,415.10 - Step 6: Final answer
x = 407,218.65
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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.