Finding the Fourth Proportional to 407,447.63, 562,252.02 and 226,148.97
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Solution
The fourth proportional to 407,447.63, 562,252.02 and 226,148.97 is: 312,071.31
Step by Step Solution
- Step 1: Write the proportion equation
407,447.63 : 562,252.02 = 226,148.97 : x - Step 2: Convert to fraction form
407,447.63/562,252.02 = 226,148.97/x - Step 3: Cross multiply
407,447.63x = 562,252.02 × 226,148.97 - Step 4: Simplify right side
407,447.63x = 127,152,716,463.81 - Step 5: Solve for x
x = 127,152,716,463.81/407,447.63 - Step 6: Final answer
x = 312,071.31
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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.