Finding the Fourth Proportional to 306,626.74, 423,113.43 and 177,607.09
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Solution
The fourth proportional to 306,626.74, 423,113.43 and 177,607.09 is: 245,079.56
Step by Step Solution
- Step 1: Write the proportion equation
306,626.74 : 423,113.43 = 177,607.09 : x - Step 2: Convert to fraction form
306,626.74/423,113.43 = 177,607.09/x - Step 3: Cross multiply
306,626.74x = 423,113.43 × 177,607.09 - Step 4: Simplify right side
306,626.74x = 75,147,945,042.22 - Step 5: Solve for x
x = 75,147,945,042.22/306,626.74 - Step 6: Final answer
x = 245,079.56
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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.