Finding the Fourth Proportional to 146,376.75, 202,000.05 and 79,308.75
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Solution
The fourth proportional to 146,376.75, 202,000.05 and 79,308.75 is: 109,446.15
Step by Step Solution
- Step 1: Write the proportion equation
146,376.75 : 202,000.05 = 79,308.75 : x - Step 2: Convert to fraction form
146,376.75/202,000.05 = 79,308.75/x - Step 3: Cross multiply
146,376.75x = 202,000.05 × 79,308.75 - Step 4: Simplify right side
146,376.75x = 16,020,371,465.44 - Step 5: Solve for x
x = 16,020,371,465.44/146,376.75 - Step 6: Final answer
x = 109,446.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.