Finding the Fourth Proportional to 698,324.18, 1,047,465.50 and 192,915.56
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Solution
The fourth proportional to 698,324.18, 1,047,465.50 and 192,915.56 is: 289,367.60
Step by Step Solution
- Step 1: Write the proportion equation
698,324.18 : 1,047,465.50 = 192,915.56 : x - Step 2: Convert to fraction form
698,324.18/1,047,465.50 = 192,915.56/x - Step 3: Cross multiply
698,324.18x = 1,047,465.50 × 192,915.56 - Step 4: Simplify right side
698,324.18x = 202,072,387,311.28 - Step 5: Solve for x
x = 202,072,387,311.28/698,324.18 - Step 6: Final answer
x = 289,367.60
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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.