Finding the Fourth Proportional to 162,879.44, 224,782.81 and 91,282.52
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Solution
The fourth proportional to 162,879.44, 224,782.81 and 91,282.52 is: 125,975.03
Step by Step Solution
- Step 1: Write the proportion equation
162,879.44 : 224,782.81 = 91,282.52 : x - Step 2: Convert to fraction form
162,879.44/224,782.81 = 91,282.52/x - Step 3: Cross multiply
162,879.44x = 224,782.81 × 91,282.52 - Step 4: Simplify right side
162,879.44x = 20,518,741,683.23 - Step 5: Solve for x
x = 20,518,741,683.23/162,879.44 - Step 6: Final answer
x = 125,975.03
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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.