Finding the Fourth Proportional to 401,382.09, 601,651.66 and 135,050.14
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Solution
The fourth proportional to 401,382.09, 601,651.66 and 135,050.14 is: 202,433.40
Step by Step Solution
- Step 1: Write the proportion equation
401,382.09 : 601,651.66 = 135,050.14 : x - Step 2: Convert to fraction form
401,382.09/601,651.66 = 135,050.14/x - Step 3: Cross multiply
401,382.09x = 601,651.66 × 135,050.14 - Step 4: Simplify right side
401,382.09x = 81,253,140,914.23 - Step 5: Solve for x
x = 81,253,140,914.23/401,382.09 - Step 6: Final answer
x = 202,433.40
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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.