Finding the Fourth Proportional to 330,854.18, 496,445.36 and 131,170.14
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Solution
The fourth proportional to 330,854.18, 496,445.36 and 131,170.14 is: 196,820.27
Step by Step Solution
- Step 1: Write the proportion equation
330,854.18 : 496,445.36 = 131,170.14 : x - Step 2: Convert to fraction form
330,854.18/496,445.36 = 131,170.14/x - Step 3: Cross multiply
330,854.18x = 496,445.36 × 131,170.14 - Step 4: Simplify right side
330,854.18x = 65,118,806,717.70 - Step 5: Solve for x
x = 65,118,806,717.70/330,854.18 - Step 6: Final answer
x = 196,820.27
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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.