Finding the Fourth Proportional to 330,201.70, 495,302.55 and 80,883.70
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Solution
The fourth proportional to 330,201.70, 495,302.55 and 80,883.70 is: 121,325.55
Step by Step Solution
- Step 1: Write the proportion equation
330,201.70 : 495,302.55 = 80,883.70 : x - Step 2: Convert to fraction form
330,201.70/495,302.55 = 80,883.70/x - Step 3: Cross multiply
330,201.70x = 495,302.55 × 80,883.70 - Step 4: Simplify right side
330,201.70x = 40,061,902,863.44 - Step 5: Solve for x
x = 40,061,902,863.44/330,201.70 - Step 6: Final answer
x = 121,325.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.