Finding the Fourth Proportional to 218,165.20, 327,247.80 and 193,670.80
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Solution
The fourth proportional to 218,165.20, 327,247.80 and 193,670.80 is: 290,506.20
Step by Step Solution
- Step 1: Write the proportion equation
218,165.20 : 327,247.80 = 193,670.80 : x - Step 2: Convert to fraction form
218,165.20/327,247.80 = 193,670.80/x - Step 3: Cross multiply
218,165.20x = 327,247.80 × 193,670.80 - Step 4: Simplify right side
218,165.20x = 63,378,343,224.24 - Step 5: Solve for x
x = 63,378,343,224.24/218,165.20 - Step 6: Final answer
x = 290,506.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.