Finding the Fourth Proportional to 272,496.20, 408,327.90 and 114,638.12
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Solution
The fourth proportional to 272,496.20, 408,327.90 and 114,638.12 is: 171,782.00
Step by Step Solution
- Step 1: Write the proportion equation
272,496.20 : 408,327.90 = 114,638.12 : x - Step 2: Convert to fraction form
272,496.20/408,327.90 = 114,638.12/x - Step 3: Cross multiply
272,496.20x = 408,327.90 × 114,638.12 - Step 4: Simplify right side
272,496.20x = 46,809,942,799.55 - Step 5: Solve for x
x = 46,809,942,799.55/272,496.20 - Step 6: Final answer
x = 171,782.00
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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.