Finding the Fourth Proportional to 351,544.68, 485,129.25 and 190,396.08
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Solution
The fourth proportional to 351,544.68, 485,129.25 and 190,396.08 is: 262,745.29
Step by Step Solution
- Step 1: Write the proportion equation
351,544.68 : 485,129.25 = 190,396.08 : x - Step 2: Convert to fraction form
351,544.68/485,129.25 = 190,396.08/x - Step 3: Cross multiply
351,544.68x = 485,129.25 × 190,396.08 - Step 4: Simplify right side
351,544.68x = 92,366,707,493.34 - Step 5: Solve for x
x = 92,366,707,493.34/351,544.68 - Step 6: Final answer
x = 262,745.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.