Finding the Fourth Proportional to 177,395.66, 244,804.01 and 100,912.96
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Solution
The fourth proportional to 177,395.66, 244,804.01 and 100,912.96 is: 139,258.75
Step by Step Solution
- Step 1: Write the proportion equation
177,395.66 : 244,804.01 = 100,912.96 : x - Step 2: Convert to fraction form
177,395.66/244,804.01 = 100,912.96/x - Step 3: Cross multiply
177,395.66x = 244,804.01 × 100,912.96 - Step 4: Simplify right side
177,395.66x = 24,703,898,184.65 - Step 5: Solve for x
x = 24,703,898,184.65/177,395.66 - Step 6: Final answer
x = 139,258.75
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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.