Finding the Fourth Proportional to 178,924.94, 246,916.93 and 102,445.21
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Solution
The fourth proportional to 178,924.94, 246,916.93 and 102,445.21 is: 141,374.68
Step by Step Solution
- Step 1: Write the proportion equation
178,924.94 : 246,916.93 = 102,445.21 : x - Step 2: Convert to fraction form
178,924.94/246,916.93 = 102,445.21/x - Step 3: Cross multiply
178,924.94x = 246,916.93 × 102,445.21 - Step 4: Simplify right side
178,924.94x = 25,295,456,746.41 - Step 5: Solve for x
x = 25,295,456,746.41/178,924.94 - Step 6: Final answer
x = 141,374.68
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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.