Finding the Fourth Proportional to 243,738.74, 365,765.98 and 131,496.43
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Solution
The fourth proportional to 243,738.74, 365,765.98 and 131,496.43 is: 197,329.82
Step by Step Solution
- Step 1: Write the proportion equation
243,738.74 : 365,765.98 = 131,496.43 : x - Step 2: Convert to fraction form
243,738.74/365,765.98 = 131,496.43/x - Step 3: Cross multiply
243,738.74x = 365,765.98 × 131,496.43 - Step 4: Simplify right side
243,738.74x = 48,096,920,274.66 - Step 5: Solve for x
x = 48,096,920,274.66/243,738.74 - Step 6: Final answer
x = 197,329.82
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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.