Finding the Fourth Proportional to 102,830.40, 154,261.80 and 32,716.80
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Solution
The fourth proportional to 102,830.40, 154,261.80 and 32,716.80 is: 49,080.35
Step by Step Solution
- Step 1: Write the proportion equation
102,830.40 : 154,261.80 = 32,716.80 : x - Step 2: Convert to fraction form
102,830.40/154,261.80 = 32,716.80/x - Step 3: Cross multiply
102,830.40x = 154,261.80 × 32,716.80 - Step 4: Simplify right side
102,830.40x = 5,046,952,458.24 - Step 5: Solve for x
x = 5,046,952,458.24/102,830.40 - Step 6: Final answer
x = 49,080.35
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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.