Finding the Fourth Proportional to 407,374.97, 562,245.03 and 237,609.09
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Solution
The fourth proportional to 407,374.97, 562,245.03 and 237,609.09 is: 327,939.96
Step by Step Solution
- Step 1: Write the proportion equation
407,374.97 : 562,245.03 = 237,609.09 : x - Step 2: Convert to fraction form
407,374.97/562,245.03 = 237,609.09/x - Step 3: Cross multiply
407,374.97x = 562,245.03 × 237,609.09 - Step 4: Simplify right side
407,374.97x = 133,594,529,935.32 - Step 5: Solve for x
x = 133,594,529,935.32/407,374.97 - Step 6: Final answer
x = 327,939.96
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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.