Finding the Fourth Proportional to 754,028.67, 1,131,033.15 and 185,414.70
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Solution
The fourth proportional to 754,028.67, 1,131,033.15 and 185,414.70 is: 278,119.63
Step by Step Solution
- Step 1: Write the proportion equation
754,028.67 : 1,131,033.15 = 185,414.70 : x - Step 2: Convert to fraction form
754,028.67/1,131,033.15 = 185,414.70/x - Step 3: Cross multiply
754,028.67x = 1,131,033.15 × 185,414.70 - Step 4: Simplify right side
754,028.67x = 209,710,172,197.31 - Step 5: Solve for x
x = 209,710,172,197.31/754,028.67 - Step 6: Final answer
x = 278,119.63
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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.