Finding the Fourth Proportional to 115,385.18, 173,035.49 and 48,830.49
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Solution
The fourth proportional to 115,385.18, 173,035.49 and 48,830.49 is: 73,227.84
Step by Step Solution
- Step 1: Write the proportion equation
115,385.18 : 173,035.49 = 48,830.49 : x - Step 2: Convert to fraction form
115,385.18/173,035.49 = 48,830.49/x - Step 3: Cross multiply
115,385.18x = 173,035.49 × 48,830.49 - Step 4: Simplify right side
115,385.18x = 8,449,407,519.94 - Step 5: Solve for x
x = 8,449,407,519.94/115,385.18 - Step 6: Final answer
x = 73,227.84
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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.