Finding the Fourth Proportional to 694,139.49, 1,041,293.49 and 195,503.49
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Solution
The fourth proportional to 694,139.49, 1,041,293.49 and 195,503.49 is: 293,278.97
Step by Step Solution
- Step 1: Write the proportion equation
694,139.49 : 1,041,293.49 = 195,503.49 : x - Step 2: Convert to fraction form
694,139.49/1,041,293.49 = 195,503.49/x - Step 3: Cross multiply
694,139.49x = 1,041,293.49 × 195,503.49 - Step 4: Simplify right side
694,139.49x = 203,576,511,409.28 - Step 5: Solve for x
x = 203,576,511,409.28/694,139.49 - Step 6: Final answer
x = 293,278.97
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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.