Finding the Fourth Proportional to 272,969.58, 409,684.41 and 115,311.18
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Solution
The fourth proportional to 272,969.58, 409,684.41 and 115,311.18 is: 173,063.95
Step by Step Solution
- Step 1: Write the proportion equation
272,969.58 : 409,684.41 = 115,311.18 : x - Step 2: Convert to fraction form
272,969.58/409,684.41 = 115,311.18/x - Step 3: Cross multiply
272,969.58x = 409,684.41 × 115,311.18 - Step 4: Simplify right side
272,969.58x = 47,241,192,744.70 - Step 5: Solve for x
x = 47,241,192,744.70/272,969.58 - Step 6: Final answer
x = 173,063.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.