Finding the Fourth Proportional to 254,845.71, 351,696.12 and 140,133.09
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Solution
The fourth proportional to 254,845.71, 351,696.12 and 140,133.09 is: 193,388.64
Step by Step Solution
- Step 1: Write the proportion equation
254,845.71 : 351,696.12 = 140,133.09 : x - Step 2: Convert to fraction form
254,845.71/351,696.12 = 140,133.09/x - Step 3: Cross multiply
254,845.71x = 351,696.12 × 140,133.09 - Step 4: Simplify right side
254,845.71x = 49,284,264,036.61 - Step 5: Solve for x
x = 49,284,264,036.61/254,845.71 - Step 6: Final answer
x = 193,388.64
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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.