Finding the Fourth Proportional to 223,416.88, 335,122.42 and 54,938.68
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Solution
The fourth proportional to 223,416.88, 335,122.42 and 54,938.68 is: 82,407.31
Step by Step Solution
- Step 1: Write the proportion equation
223,416.88 : 335,122.42 = 54,938.68 : x - Step 2: Convert to fraction form
223,416.88/335,122.42 = 54,938.68/x - Step 3: Cross multiply
223,416.88x = 335,122.42 × 54,938.68 - Step 4: Simplify right side
223,416.88x = 18,411,183,393.21 - Step 5: Solve for x
x = 18,411,183,393.21/223,416.88 - Step 6: Final answer
x = 82,407.31
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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.