Finding the Fourth Proportional to 243,122.73, 335,197.49 and 199,354.02
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Solution
The fourth proportional to 243,122.73, 335,197.49 and 199,354.02 is: 274,852.81
Step by Step Solution
- Step 1: Write the proportion equation
243,122.73 : 335,197.49 = 199,354.02 : x - Step 2: Convert to fraction form
243,122.73/335,197.49 = 199,354.02/x - Step 3: Cross multiply
243,122.73x = 335,197.49 × 199,354.02 - Step 4: Simplify right side
243,122.73x = 66,822,966,128.64 - Step 5: Solve for x
x = 66,822,966,128.64/243,122.73 - Step 6: Final answer
x = 274,852.81
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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.