Finding the Fourth Proportional to 202,108.70, 303,162.57 and 68,977.80
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Solution
The fourth proportional to 202,108.70, 303,162.57 and 68,977.80 is: 103,466.53
Step by Step Solution
- Step 1: Write the proportion equation
202,108.70 : 303,162.57 = 68,977.80 : x - Step 2: Convert to fraction form
202,108.70/303,162.57 = 68,977.80/x - Step 3: Cross multiply
202,108.70x = 303,162.57 × 68,977.80 - Step 4: Simplify right side
202,108.70x = 20,911,487,120.95 - Step 5: Solve for x
x = 20,911,487,120.95/202,108.70 - Step 6: Final answer
x = 103,466.53
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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.