Finding the Fourth Proportional to 322,502.48, 445,042.21 and 207,785.96
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Solution
The fourth proportional to 322,502.48, 445,042.21 and 207,785.96 is: 286,737.39
Step by Step Solution
- Step 1: Write the proportion equation
322,502.48 : 445,042.21 = 207,785.96 : x - Step 2: Convert to fraction form
322,502.48/445,042.21 = 207,785.96/x - Step 3: Cross multiply
322,502.48x = 445,042.21 × 207,785.96 - Step 4: Simplify right side
322,502.48x = 92,473,520,620.16 - Step 5: Solve for x
x = 92,473,520,620.16/322,502.48 - Step 6: Final answer
x = 286,737.39
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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.