Finding the Fourth Proportional to 407,699.56, 611,087.94 and 207,597.26
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Solution
The fourth proportional to 407,699.56, 611,087.94 and 207,597.26 is: 311,160.95
Step by Step Solution
- Step 1: Write the proportion equation
407,699.56 : 611,087.94 = 207,597.26 : x - Step 2: Convert to fraction form
407,699.56/611,087.94 = 207,597.26/x - Step 3: Cross multiply
407,699.56x = 611,087.94 × 207,597.26 - Step 4: Simplify right side
407,699.56x = 126,860,181,963.04 - Step 5: Solve for x
x = 126,860,181,963.04/407,699.56 - Step 6: Final answer
x = 311,160.95
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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.