Finding the Fourth Proportional to 243,711.80, 365,049.30 and 202,239.80
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Solution
The fourth proportional to 243,711.80, 365,049.30 and 202,239.80 is: 302,929.52
Step by Step Solution
- Step 1: Write the proportion equation
243,711.80 : 365,049.30 = 202,239.80 : x - Step 2: Convert to fraction form
243,711.80/365,049.30 = 202,239.80/x - Step 3: Cross multiply
243,711.80x = 365,049.30 × 202,239.80 - Step 4: Simplify right side
243,711.80x = 73,827,497,422.14 - Step 5: Solve for x
x = 73,827,497,422.14/243,711.80 - Step 6: Final answer
x = 302,929.52
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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.