Finding the Fourth Proportional to 150,286.88, 207,393.36 and 83,217.44
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Solution
The fourth proportional to 150,286.88, 207,393.36 and 83,217.44 is: 114,838.66
Step by Step Solution
- Step 1: Write the proportion equation
150,286.88 : 207,393.36 = 83,217.44 : x - Step 2: Convert to fraction form
150,286.88/207,393.36 = 83,217.44/x - Step 3: Cross multiply
150,286.88x = 207,393.36 × 83,217.44 - Step 4: Simplify right side
150,286.88x = 17,258,744,492.20 - Step 5: Solve for x
x = 17,258,744,492.20/150,286.88 - Step 6: Final answer
x = 114,838.66
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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.