Finding the Fourth Proportional to 214,941.18, 296,651.53 and 154,711.20
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Solution
The fourth proportional to 214,941.18, 296,651.53 and 154,711.20 is: 213,524.99
Step by Step Solution
- Step 1: Write the proportion equation
214,941.18 : 296,651.53 = 154,711.20 : x - Step 2: Convert to fraction form
214,941.18/296,651.53 = 154,711.20/x - Step 3: Cross multiply
214,941.18x = 296,651.53 × 154,711.20 - Step 4: Simplify right side
214,941.18x = 45,895,314,188.14 - Step 5: Solve for x
x = 45,895,314,188.14/214,941.18 - Step 6: Final answer
x = 213,524.99
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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.