Finding the Fourth Proportional to 237,218.58, 327,358.73 and 129,787.07
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Solution
The fourth proportional to 237,218.58, 327,358.73 and 129,787.07 is: 179,104.56
Step by Step Solution
- Step 1: Write the proportion equation
237,218.58 : 327,358.73 = 129,787.07 : x - Step 2: Convert to fraction form
237,218.58/327,358.73 = 129,787.07/x - Step 3: Cross multiply
237,218.58x = 327,358.73 × 129,787.07 - Step 4: Simplify right side
237,218.58x = 42,486,929,093.30 - Step 5: Solve for x
x = 42,486,929,093.30/237,218.58 - Step 6: Final answer
x = 179,104.56
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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.