Finding the Fourth Proportional to 319,596.57, 440,793.72 and 204,885.99
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Solution
The fourth proportional to 319,596.57, 440,793.72 and 204,885.99 is: 282,582.69
Step by Step Solution
- Step 1: Write the proportion equation
319,596.57 : 440,793.72 = 204,885.99 : x - Step 2: Convert to fraction form
319,596.57/440,793.72 = 204,885.99/x - Step 3: Cross multiply
319,596.57x = 440,793.72 × 204,885.99 - Step 4: Simplify right side
319,596.57x = 90,312,457,707.98 - Step 5: Solve for x
x = 90,312,457,707.98/319,596.57 - Step 6: Final answer
x = 282,582.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.