Finding the Fourth Proportional to 168,205.50, 252,356.96 and 49,879.70
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Solution
The fourth proportional to 168,205.50, 252,356.96 and 49,879.70 is: 74,833.99
Step by Step Solution
- Step 1: Write the proportion equation
168,205.50 : 252,356.96 = 49,879.70 : x - Step 2: Convert to fraction form
168,205.50/252,356.96 = 49,879.70/x - Step 3: Cross multiply
168,205.50x = 252,356.96 × 49,879.70 - Step 4: Simplify right side
168,205.50x = 12,587,487,946.53 - Step 5: Solve for x
x = 12,587,487,946.53/168,205.50 - Step 6: Final answer
x = 74,833.99
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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.