Finding the Fourth Proportional to 323,048.08, 445,730.09 and 271,560.92
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Solution
The fourth proportional to 323,048.08, 445,730.09 and 271,560.92 is: 374,689.97
Step by Step Solution
- Step 1: Write the proportion equation
323,048.08 : 445,730.09 = 271,560.92 : x - Step 2: Convert to fraction form
323,048.08/445,730.09 = 271,560.92/x - Step 3: Cross multiply
323,048.08x = 445,730.09 × 271,560.92 - Step 4: Simplify right side
323,048.08x = 121,042,875,105.31 - Step 5: Solve for x
x = 121,042,875,105.31/323,048.08 - Step 6: Final answer
x = 374,689.97
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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.