Finding the Fourth Proportional to 255,476.09, 352,557.36 and 139,188.98
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Solution
The fourth proportional to 255,476.09, 352,557.36 and 139,188.98 is: 192,080.99
Step by Step Solution
- Step 1: Write the proportion equation
255,476.09 : 352,557.36 = 139,188.98 : x - Step 2: Convert to fraction form
255,476.09/352,557.36 = 139,188.98/x - Step 3: Cross multiply
255,476.09x = 352,557.36 × 139,188.98 - Step 4: Simplify right side
255,476.09x = 49,072,100,211.29 - Step 5: Solve for x
x = 49,072,100,211.29/255,476.09 - Step 6: Final answer
x = 192,080.99
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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.