Finding the Fourth Proportional to 313,701.74, 432,906.88 and 177,735.42
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Solution
The fourth proportional to 313,701.74, 432,906.88 and 177,735.42 is: 245,274.02
Step by Step Solution
- Step 1: Write the proportion equation
313,701.74 : 432,906.88 = 177,735.42 : x - Step 2: Convert to fraction form
313,701.74/432,906.88 = 177,735.42/x - Step 3: Cross multiply
313,701.74x = 432,906.88 × 177,735.42 - Step 4: Simplify right side
313,701.74x = 76,942,886,137.69 - Step 5: Solve for x
x = 76,942,886,137.69/313,701.74 - Step 6: Final answer
x = 245,274.02
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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.