Finding the Fourth Proportional to 243,425.20, 365,137.80 and 201,953.20
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Solution
The fourth proportional to 243,425.20, 365,137.80 and 201,953.20 is: 302,929.80
Step by Step Solution
- Step 1: Write the proportion equation
243,425.20 : 365,137.80 = 201,953.20 : x - Step 2: Convert to fraction form
243,425.20/365,137.80 = 201,953.20/x - Step 3: Cross multiply
243,425.20x = 365,137.80 × 201,953.20 - Step 4: Simplify right side
243,425.20x = 73,740,747,150.96 - Step 5: Solve for x
x = 73,740,747,150.96/243,425.20 - Step 6: Final answer
x = 302,929.80
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1.5x scale
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.