Finding the Fourth Proportional to 319,544.94, 479,382.98 and 130,004.81
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Solution
The fourth proportional to 319,544.94, 479,382.98 and 130,004.81 is: 195,033.88
Step by Step Solution
- Step 1: Write the proportion equation
319,544.94 : 479,382.98 = 130,004.81 : x - Step 2: Convert to fraction form
319,544.94/479,382.98 = 130,004.81/x - Step 3: Cross multiply
319,544.94x = 479,382.98 × 130,004.81 - Step 4: Simplify right side
319,544.94x = 62,322,090,185.19 - Step 5: Solve for x
x = 62,322,090,185.19/319,544.94 - Step 6: Final answer
x = 195,033.88
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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.