Finding the Fourth Proportional to 313,343.75, 432,414.92 and 179,207.75
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Solution
The fourth proportional to 313,343.75, 432,414.92 and 179,207.75 is: 247,307.01
Step by Step Solution
- Step 1: Write the proportion equation
313,343.75 : 432,414.92 = 179,207.75 : x - Step 2: Convert to fraction form
313,343.75/432,414.92 = 179,207.75/x - Step 3: Cross multiply
313,343.75x = 432,414.92 × 179,207.75 - Step 4: Simplify right side
313,343.75x = 77,492,104,879.63 - Step 5: Solve for x
x = 77,492,104,879.63/313,343.75 - Step 6: Final answer
x = 247,307.01
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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.