Finding the Fourth Proportional to 178,858.83, 246,813.58 and 102,378.53
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Solution
The fourth proportional to 178,858.83, 246,813.58 and 102,378.53 is: 141,275.73
Step by Step Solution
- Step 1: Write the proportion equation
178,858.83 : 246,813.58 = 102,378.53 : x - Step 2: Convert to fraction form
178,858.83/246,813.58 = 102,378.53/x - Step 3: Cross multiply
178,858.83x = 246,813.58 × 102,378.53 - Step 4: Simplify right side
178,858.83x = 25,268,412,249.44 - Step 5: Solve for x
x = 25,268,412,249.44/178,858.83 - Step 6: Final answer
x = 141,275.73
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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.