Finding the Fourth Proportional to 79,585.74, 119,268.99 and 40,168.98
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Solution
The fourth proportional to 79,585.74, 119,268.99 and 40,168.98 is: 60,198.14
Step by Step Solution
- Step 1: Write the proportion equation
79,585.74 : 119,268.99 = 40,168.98 : x - Step 2: Convert to fraction form
79,585.74/119,268.99 = 40,168.98/x - Step 3: Cross multiply
79,585.74x = 119,268.99 × 40,168.98 - Step 4: Simplify right side
79,585.74x = 4,790,913,673.93 - Step 5: Solve for x
x = 4,790,913,673.93/79,585.74 - Step 6: Final answer
x = 60,198.14
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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.