Finding the Fourth Proportional to 693,537.80, 1,040,306.70 and 194,901.80
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Solution
The fourth proportional to 693,537.80, 1,040,306.70 and 194,901.80 is: 292,352.70
Step by Step Solution
- Step 1: Write the proportion equation
693,537.80 : 1,040,306.70 = 194,901.80 : x - Step 2: Convert to fraction form
693,537.80/1,040,306.70 = 194,901.80/x - Step 3: Cross multiply
693,537.80x = 1,040,306.70 × 194,901.80 - Step 4: Simplify right side
693,537.80x = 202,757,648,382.06 - Step 5: Solve for x
x = 202,757,648,382.06/693,537.80 - Step 6: Final answer
x = 292,352.70
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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.