Finding the Fourth Proportional to 209,800.87, 314,395.12 and 104,474.95
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Solution
The fourth proportional to 209,800.87, 314,395.12 and 104,474.95 is: 156,559.95
Step by Step Solution
- Step 1: Write the proportion equation
209,800.87 : 314,395.12 = 104,474.95 : x - Step 2: Convert to fraction form
209,800.87/314,395.12 = 104,474.95/x - Step 3: Cross multiply
209,800.87x = 314,395.12 × 104,474.95 - Step 4: Simplify right side
209,800.87x = 32,846,413,786.85 - Step 5: Solve for x
x = 32,846,413,786.85/209,800.87 - Step 6: Final answer
x = 156,559.95
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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.