Finding the Fourth Proportional to 350,198.21, 486,536.12 and 345,999.17
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Solution
The fourth proportional to 350,198.21, 486,536.12 and 345,999.17 is: 480,702.32
Step by Step Solution
- Step 1: Write the proportion equation
350,198.21 : 486,536.12 = 345,999.17 : x - Step 2: Convert to fraction form
350,198.21/486,536.12 = 345,999.17/x - Step 3: Cross multiply
350,198.21x = 486,536.12 × 345,999.17 - Step 4: Simplify right side
350,198.21x = 168,341,089,532.34 - Step 5: Solve for x
x = 168,341,089,532.34/350,198.21 - Step 6: Final answer
x = 480,702.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.