Finding the Fourth Proportional to 198,064.08, 273,311.28 and 116,383.68
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Solution
The fourth proportional to 198,064.08, 273,311.28 and 116,383.68 is: 160,599.40
Step by Step Solution
- Step 1: Write the proportion equation
198,064.08 : 273,311.28 = 116,383.68 : x - Step 2: Convert to fraction form
198,064.08/273,311.28 = 116,383.68/x - Step 3: Cross multiply
198,064.08x = 273,311.28 × 116,383.68 - Step 4: Simplify right side
198,064.08x = 31,808,972,551.91 - Step 5: Solve for x
x = 31,808,972,551.91/198,064.08 - Step 6: Final answer
x = 160,599.40
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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.