Finding the Fourth Proportional to 330,745.18, 495,826.50 and 131,205.70
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Solution
The fourth proportional to 330,745.18, 495,826.50 and 131,205.70 is: 196,693.00
Step by Step Solution
- Step 1: Write the proportion equation
330,745.18 : 495,826.50 = 131,205.70 : x - Step 2: Convert to fraction form
330,745.18/495,826.50 = 131,205.70/x - Step 3: Cross multiply
330,745.18x = 495,826.50 × 131,205.70 - Step 4: Simplify right side
330,745.18x = 65,055,263,011.05 - Step 5: Solve for x
x = 65,055,263,011.05/330,745.18 - Step 6: Final answer
x = 196,693.00
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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.