Finding the Fourth Proportional to 326,796.80, 490,084.99 and 124,344.84
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Solution
The fourth proportional to 326,796.80, 490,084.99 and 124,344.84 is: 186,475.32
Step by Step Solution
- Step 1: Write the proportion equation
326,796.80 : 490,084.99 = 124,344.84 : x - Step 2: Convert to fraction form
326,796.80/490,084.99 = 124,344.84/x - Step 3: Cross multiply
326,796.80x = 490,084.99 × 124,344.84 - Step 4: Simplify right side
326,796.80x = 60,939,538,131.88 - Step 5: Solve for x
x = 60,939,538,131.88/326,796.80 - Step 6: Final answer
x = 186,475.32
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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.