Finding the Fourth Proportional to 306,627.74, 423,114.81 and 177,608.09
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Solution
The fourth proportional to 306,627.74, 423,114.81 and 177,608.09 is: 245,080.94
Step by Step Solution
- Step 1: Write the proportion equation
306,627.74 : 423,114.81 = 177,608.09 : x - Step 2: Convert to fraction form
306,627.74/423,114.81 = 177,608.09/x - Step 3: Cross multiply
306,627.74x = 423,114.81 × 177,608.09 - Step 4: Simplify right side
306,627.74x = 75,148,613,254.81 - Step 5: Solve for x
x = 75,148,613,254.81/306,627.74 - Step 6: Final answer
x = 245,080.94
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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.