Finding the Fourth Proportional to 178,924.92, 246,916.90 and 102,445.18
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Solution
The fourth proportional to 178,924.92, 246,916.90 and 102,445.18 is: 141,374.65
Step by Step Solution
- Step 1: Write the proportion equation
178,924.92 : 246,916.90 = 102,445.18 : x - Step 2: Convert to fraction form
178,924.92/246,916.90 = 102,445.18/x - Step 3: Cross multiply
178,924.92x = 246,916.90 × 102,445.18 - Step 4: Simplify right side
178,924.92x = 25,295,446,807.31 - Step 5: Solve for x
x = 25,295,446,807.31/178,924.92 - Step 6: Final answer
x = 141,374.65
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1.5x scale
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.