Finding the Fourth Proportional to 253,358.62, 380,037.92 and 205,916.44
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Solution
The fourth proportional to 253,358.62, 380,037.92 and 205,916.44 is: 308,874.65
Step by Step Solution
- Step 1: Write the proportion equation
253,358.62 : 380,037.92 = 205,916.44 : x - Step 2: Convert to fraction form
253,358.62/380,037.92 = 205,916.44/x - Step 3: Cross multiply
253,358.62x = 380,037.92 × 205,916.44 - Step 4: Simplify right side
253,358.62x = 78,256,055,116.10 - Step 5: Solve for x
x = 78,256,055,116.10/253,358.62 - Step 6: Final answer
x = 308,874.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.