Finding the Fourth Proportional to 407,912.04, 562,918.08 and 226,640.68
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Solution
The fourth proportional to 407,912.04, 562,918.08 and 226,640.68 is: 312,763.84
Step by Step Solution
- Step 1: Write the proportion equation
407,912.04 : 562,918.08 = 226,640.68 : x - Step 2: Convert to fraction form
407,912.04/562,918.08 = 226,640.68/x - Step 3: Cross multiply
407,912.04x = 562,918.08 × 226,640.68 - Step 4: Simplify right side
407,912.04x = 127,580,136,435.49 - Step 5: Solve for x
x = 127,580,136,435.49/407,912.04 - Step 6: Final answer
x = 312,763.84
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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.