Finding the Fourth Proportional to 215,672.36, 297,623.84 and 117,556.41
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Solution
The fourth proportional to 215,672.36, 297,623.84 and 117,556.41 is: 162,225.66
Step by Step Solution
- Step 1: Write the proportion equation
215,672.36 : 297,623.84 = 117,556.41 : x - Step 2: Convert to fraction form
215,672.36/297,623.84 = 117,556.41/x - Step 3: Cross multiply
215,672.36x = 297,623.84 × 117,556.41 - Step 4: Simplify right side
215,672.36x = 34,987,590,689.12 - Step 5: Solve for x
x = 34,987,590,689.12/215,672.36 - Step 6: Final answer
x = 162,225.66
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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.