Finding the Fourth Proportional to 202,366.10, 303,743.55 and 102,638.90
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Solution
The fourth proportional to 202,366.10, 303,743.55 and 102,638.90 is: 154,056.95
Step by Step Solution
- Step 1: Write the proportion equation
202,366.10 : 303,743.55 = 102,638.90 : x - Step 2: Convert to fraction form
202,366.10/303,743.55 = 102,638.90/x - Step 3: Cross multiply
202,366.10x = 303,743.55 × 102,638.90 - Step 4: Simplify right side
202,366.10x = 31,175,903,854.10 - Step 5: Solve for x
x = 31,175,903,854.10/202,366.10 - Step 6: Final answer
x = 154,056.95
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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.