Finding the Fourth Proportional to 265,120.14, 365,744.93 and 157,629.09
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Solution
The fourth proportional to 265,120.14, 365,744.93 and 157,629.09 is: 217,456.28
Step by Step Solution
- Step 1: Write the proportion equation
265,120.14 : 365,744.93 = 157,629.09 : x - Step 2: Convert to fraction form
265,120.14/365,744.93 = 157,629.09/x - Step 3: Cross multiply
265,120.14x = 365,744.93 × 157,629.09 - Step 4: Simplify right side
265,120.14x = 57,652,039,699.87 - Step 5: Solve for x
x = 57,652,039,699.87/265,120.14 - Step 6: Final answer
x = 217,456.28
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1.5x scale
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.