Finding the Fourth Proportional to 223,475.68, 335,125.68 and 81,287.20
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Solution
The fourth proportional to 223,475.68, 335,125.68 and 81,287.20 is: 121,898.85
Step by Step Solution
- Step 1: Write the proportion equation
223,475.68 : 335,125.68 = 81,287.20 : x - Step 2: Convert to fraction form
223,475.68/335,125.68 = 81,287.20/x - Step 3: Cross multiply
223,475.68x = 335,125.68 × 81,287.20 - Step 4: Simplify right side
223,475.68x = 27,241,428,175.30 - Step 5: Solve for x
x = 27,241,428,175.30/223,475.68 - Step 6: Final answer
x = 121,898.85
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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.