Finding the Fourth Proportional to 243,198.09, 335,516.90 and 162,497.79
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Solution
The fourth proportional to 243,198.09, 335,516.90 and 162,497.79 is: 224,182.49
Step by Step Solution
- Step 1: Write the proportion equation
243,198.09 : 335,516.90 = 162,497.79 : x - Step 2: Convert to fraction form
243,198.09/335,516.90 = 162,497.79/x - Step 3: Cross multiply
243,198.09x = 335,516.90 × 162,497.79 - Step 4: Simplify right side
243,198.09x = 54,520,753,945.16 - Step 5: Solve for x
x = 54,520,753,945.16/243,198.09 - Step 6: Final answer
x = 224,182.49
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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.