Finding the Fourth Proportional to 263,618.20, 395,427.30 and 121,463.20
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Solution
The fourth proportional to 263,618.20, 395,427.30 and 121,463.20 is: 182,194.80
Step by Step Solution
- Step 1: Write the proportion equation
263,618.20 : 395,427.30 = 121,463.20 : x - Step 2: Convert to fraction form
263,618.20/395,427.30 = 121,463.20/x - Step 3: Cross multiply
263,618.20x = 395,427.30 × 121,463.20 - Step 4: Simplify right side
263,618.20x = 48,029,865,225.36 - Step 5: Solve for x
x = 48,029,865,225.36/263,618.20 - Step 6: Final answer
x = 182,194.80
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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.