Finding the Fourth Proportional to 149,877.14, 206,827.94 and 81,892.62
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Solution
The fourth proportional to 149,877.14, 206,827.94 and 81,892.62 is: 113,010.45
Step by Step Solution
- Step 1: Write the proportion equation
149,877.14 : 206,827.94 = 81,892.62 : x - Step 2: Convert to fraction form
149,877.14/206,827.94 = 81,892.62/x - Step 3: Cross multiply
149,877.14x = 206,827.94 × 81,892.62 - Step 4: Simplify right side
149,877.14x = 16,937,682,100.53 - Step 5: Solve for x
x = 16,937,682,100.53/149,877.14 - Step 6: Final answer
x = 113,010.45
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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.