Finding the Fourth Proportional to 178,357.88, 246,093.44 and 121,005.02
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Solution
The fourth proportional to 178,357.88, 246,093.44 and 121,005.02 is: 166,959.50
Step by Step Solution
- Step 1: Write the proportion equation
178,357.88 : 246,093.44 = 121,005.02 : x - Step 2: Convert to fraction form
178,357.88/246,093.44 = 121,005.02/x - Step 3: Cross multiply
178,357.88x = 246,093.44 × 121,005.02 - Step 4: Simplify right side
178,357.88x = 29,778,541,629.07 - Step 5: Solve for x
x = 29,778,541,629.07/178,357.88 - Step 6: Final answer
x = 166,959.50
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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.