Finding the Fourth Proportional to 115,902.80, 173,713.80 and 49,202.90
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Solution
The fourth proportional to 115,902.80, 173,713.80 and 49,202.90 is: 73,744.75
Step by Step Solution
- Step 1: Write the proportion equation
115,902.80 : 173,713.80 = 49,202.90 : x - Step 2: Convert to fraction form
115,902.80/173,713.80 = 49,202.90/x - Step 3: Cross multiply
115,902.80x = 173,713.80 × 49,202.90 - Step 4: Simplify right side
115,902.80x = 8,547,222,730.02 - Step 5: Solve for x
x = 8,547,222,730.02/115,902.80 - Step 6: Final answer
x = 73,744.75
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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.