Finding the Fourth Proportional to 318,874.50, 440,008.52 and 182,901.42
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Solution
The fourth proportional to 318,874.50, 440,008.52 and 182,901.42 is: 252,381.99
Step by Step Solution
- Step 1: Write the proportion equation
318,874.50 : 440,008.52 = 182,901.42 : x - Step 2: Convert to fraction form
318,874.50/440,008.52 = 182,901.42/x - Step 3: Cross multiply
318,874.50x = 440,008.52 × 182,901.42 - Step 4: Simplify right side
318,874.50x = 80,478,182,205.59 - Step 5: Solve for x
x = 80,478,182,205.59/318,874.50 - Step 6: Final answer
x = 252,381.99
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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.