Finding the Fourth Proportional to 490,736.10, 736,104.14 and 135,740.88
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Solution
The fourth proportional to 490,736.10, 736,104.14 and 135,740.88 is: 203,611.32
Step by Step Solution
- Step 1: Write the proportion equation
490,736.10 : 736,104.14 = 135,740.88 : x - Step 2: Convert to fraction form
490,736.10/736,104.14 = 135,740.88/x - Step 3: Cross multiply
490,736.10x = 736,104.14 × 135,740.88 - Step 4: Simplify right side
490,736.10x = 99,919,423,735.24 - Step 5: Solve for x
x = 99,919,423,735.24/490,736.10 - Step 6: Final answer
x = 203,611.32
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Similar ratio
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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.