Finding the Fourth Proportional to 225,959.42, 311,833.74 and 135,330.14
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Solution
The fourth proportional to 225,959.42, 311,833.74 and 135,330.14 is: 186,761.43
Step by Step Solution
- Step 1: Write the proportion equation
225,959.42 : 311,833.74 = 135,330.14 : x - Step 2: Convert to fraction form
225,959.42/311,833.74 = 135,330.14/x - Step 3: Cross multiply
225,959.42x = 311,833.74 × 135,330.14 - Step 4: Simplify right side
225,959.42x = 42,200,503,690.92 - Step 5: Solve for x
x = 42,200,503,690.92/225,959.42 - Step 6: Final answer
x = 186,761.43
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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.