Finding the Fourth Proportional to 407,118.71, 610,683.26 and 107,596.70
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Solution
The fourth proportional to 407,118.71, 610,683.26 and 107,596.70 is: 161,396.43
Step by Step Solution
- Step 1: Write the proportion equation
407,118.71 : 610,683.26 = 107,596.70 : x - Step 2: Convert to fraction form
407,118.71/610,683.26 = 107,596.70/x - Step 3: Cross multiply
407,118.71x = 610,683.26 × 107,596.70 - Step 4: Simplify right side
407,118.71x = 65,707,505,316.94 - Step 5: Solve for x
x = 65,707,505,316.94/407,118.71 - Step 6: Final answer
x = 161,396.43
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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.