Finding the Fourth Proportional to 202,238.10, 303,357.15 and 199,613.70
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Solution
The fourth proportional to 202,238.10, 303,357.15 and 199,613.70 is: 299,420.55
Step by Step Solution
- Step 1: Write the proportion equation
202,238.10 : 303,357.15 = 199,613.70 : x - Step 2: Convert to fraction form
202,238.10/303,357.15 = 199,613.70/x - Step 3: Cross multiply
202,238.10x = 303,357.15 × 199,613.70 - Step 4: Simplify right side
202,238.10x = 60,554,243,132.96 - Step 5: Solve for x
x = 60,554,243,132.96/202,238.10 - Step 6: Final answer
x = 299,420.55
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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.