Finding the Fourth Proportional to 162,722.92, 224,558.18 and 91,103.08
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Solution
The fourth proportional to 162,722.92, 224,558.18 and 91,103.08 is: 125,722.56
Step by Step Solution
- Step 1: Write the proportion equation
162,722.92 : 224,558.18 = 91,103.08 : x - Step 2: Convert to fraction form
162,722.92/224,558.18 = 91,103.08/x - Step 3: Cross multiply
162,722.92x = 224,558.18 × 91,103.08 - Step 4: Simplify right side
162,722.92x = 20,457,941,837.19 - Step 5: Solve for x
x = 20,457,941,837.19/162,722.92 - Step 6: Final answer
x = 125,722.56
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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.