Finding the Fourth Proportional to 202,212.10, 303,318.15 and 199,587.70
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Solution
The fourth proportional to 202,212.10, 303,318.15 and 199,587.70 is: 299,381.55
Step by Step Solution
- Step 1: Write the proportion equation
202,212.10 : 303,318.15 = 199,587.70 : x - Step 2: Convert to fraction form
202,212.10/303,318.15 = 199,587.70/x - Step 3: Cross multiply
202,212.10x = 303,318.15 × 199,587.70 - Step 4: Simplify right side
202,212.10x = 60,538,571,926.76 - Step 5: Solve for x
x = 60,538,571,926.76/202,212.10 - Step 6: Final answer
x = 299,381.55
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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.