Finding the Fourth Proportional to 329,920.83, 494,876.93 and 80,604.99
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Solution
The fourth proportional to 329,920.83, 494,876.93 and 80,604.99 is: 120,906.43
Step by Step Solution
- Step 1: Write the proportion equation
329,920.83 : 494,876.93 = 80,604.99 : x - Step 2: Convert to fraction form
329,920.83/494,876.93 = 80,604.99/x - Step 3: Cross multiply
329,920.83x = 494,876.93 × 80,604.99 - Step 4: Simplify right side
329,920.83x = 39,889,549,590.86 - Step 5: Solve for x
x = 39,889,549,590.86/329,920.83 - Step 6: Final answer
x = 120,906.43
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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.