Finding the Fourth Proportional to 225,917.16, 338,777.30 and 76,129.53
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Solution
The fourth proportional to 225,917.16, 338,777.30 and 76,129.53 is: 114,161.12
Step by Step Solution
- Step 1: Write the proportion equation
225,917.16 : 338,777.30 = 76,129.53 : x - Step 2: Convert to fraction form
225,917.16/338,777.30 = 76,129.53/x - Step 3: Cross multiply
225,917.16x = 338,777.30 × 76,129.53 - Step 4: Simplify right side
225,917.16x = 25,790,954,549.13 - Step 5: Solve for x
x = 25,790,954,549.13/225,917.16 - Step 6: Final answer
x = 114,161.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.