Finding the Fourth Proportional to 491,612.40, 737,419.08 and 136,626.48
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Solution
The fourth proportional to 491,612.40, 737,419.08 and 136,626.48 is: 204,939.85
Step by Step Solution
- Step 1: Write the proportion equation
491,612.40 : 737,419.08 = 136,626.48 : x - Step 2: Convert to fraction form
491,612.40/737,419.08 = 136,626.48/x - Step 3: Cross multiply
491,612.40x = 737,419.08 × 136,626.48 - Step 4: Simplify right side
491,612.40x = 100,750,973,185.24 - Step 5: Solve for x
x = 100,750,973,185.24/491,612.40 - Step 6: Final answer
x = 204,939.85
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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.