Finding the Fourth Proportional to 212,379.88, 293,078.84 and 115,579.62
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Solution
The fourth proportional to 212,379.88, 293,078.84 and 115,579.62 is: 159,496.94
Step by Step Solution
- Step 1: Write the proportion equation
212,379.88 : 293,078.84 = 115,579.62 : x - Step 2: Convert to fraction form
212,379.88/293,078.84 = 115,579.62/x - Step 3: Cross multiply
212,379.88x = 293,078.84 × 115,579.62 - Step 4: Simplify right side
212,379.88x = 33,873,940,957.24 - Step 5: Solve for x
x = 33,873,940,957.24/212,379.88 - Step 6: Final answer
x = 159,496.94
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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.