Finding the Fourth Proportional to 352,316.42, 486,322.74 and 209,076.44
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Solution
The fourth proportional to 352,316.42, 486,322.74 and 209,076.44 is: 288,600.31
Step by Step Solution
- Step 1: Write the proportion equation
352,316.42 : 486,322.74 = 209,076.44 : x - Step 2: Convert to fraction form
352,316.42/486,322.74 = 209,076.44/x - Step 3: Cross multiply
352,316.42x = 486,322.74 × 209,076.44 - Step 4: Simplify right side
352,316.42x = 101,678,627,170.25 - Step 5: Solve for x
x = 101,678,627,170.25/352,316.42 - Step 6: Final answer
x = 288,600.31
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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.