Finding the Fourth Proportional to 620,604.08, 930,906.17 and 199,879.96
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Solution
The fourth proportional to 620,604.08, 930,906.17 and 199,879.96 is: 299,819.96
Step by Step Solution
- Step 1: Write the proportion equation
620,604.08 : 930,906.17 = 199,879.96 : x - Step 2: Convert to fraction form
620,604.08/930,906.17 = 199,879.96/x - Step 3: Cross multiply
620,604.08x = 930,906.17 × 199,879.96 - Step 4: Simplify right side
620,604.08x = 186,069,488,023.35 - Step 5: Solve for x
x = 186,069,488,023.35/620,604.08 - Step 6: Final answer
x = 299,819.96
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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.