Finding the Fourth Proportional to 178,025.82, 245,942.64 and 116,916.99
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Solution
The fourth proportional to 178,025.82, 245,942.64 and 116,916.99 is: 161,520.80
Step by Step Solution
- Step 1: Write the proportion equation
178,025.82 : 245,942.64 = 116,916.99 : x - Step 2: Convert to fraction form
178,025.82/245,942.64 = 116,916.99/x - Step 3: Cross multiply
178,025.82x = 245,942.64 × 116,916.99 - Step 4: Simplify right side
178,025.82x = 28,754,873,181.45 - Step 5: Solve for x
x = 28,754,873,181.45/178,025.82 - Step 6: Final answer
x = 161,520.80
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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.