Finding the Fourth Proportional to 374,037.62, 561,129.60 and 137,382.08
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Solution
The fourth proportional to 374,037.62, 561,129.60 and 137,382.08 is: 206,099.99
Step by Step Solution
- Step 1: Write the proportion equation
374,037.62 : 561,129.60 = 137,382.08 : x - Step 2: Convert to fraction form
374,037.62/561,129.60 = 137,382.08/x - Step 3: Cross multiply
374,037.62x = 561,129.60 × 137,382.08 - Step 4: Simplify right side
374,037.62x = 77,089,151,597.57 - Step 5: Solve for x
x = 77,089,151,597.57/374,037.62 - Step 6: Final answer
x = 206,099.99
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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.