Finding the Fourth Proportional to 162,529.48, 224,286.60 and 90,912.52
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Solution
The fourth proportional to 162,529.48, 224,286.60 and 90,912.52 is: 125,456.99
Step by Step Solution
- Step 1: Write the proportion equation
162,529.48 : 224,286.60 = 90,912.52 : x - Step 2: Convert to fraction form
162,529.48/224,286.60 = 90,912.52/x - Step 3: Cross multiply
162,529.48x = 224,286.60 × 90,912.52 - Step 4: Simplify right side
162,529.48x = 20,390,460,008.23 - Step 5: Solve for x
x = 20,390,460,008.23/162,529.48 - Step 6: Final answer
x = 125,456.99
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1.5x scale
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.