Finding the Fourth Proportional to 215,941.19, 297,996.87 and 119,145.94
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Solution
The fourth proportional to 215,941.19, 297,996.87 and 119,145.94 is: 164,420.31
Step by Step Solution
- Step 1: Write the proportion equation
215,941.19 : 297,996.87 = 119,145.94 : x - Step 2: Convert to fraction form
215,941.19/297,996.87 = 119,145.94/x - Step 3: Cross multiply
215,941.19x = 297,996.87 × 119,145.94 - Step 4: Simplify right side
215,941.19x = 35,505,117,193.21 - Step 5: Solve for x
x = 35,505,117,193.21/215,941.19 - Step 6: Final answer
x = 164,420.31
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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.