Finding the Fourth Proportional to 204,027.80, 306,041.70 and 129,232.40
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Solution
The fourth proportional to 204,027.80, 306,041.70 and 129,232.40 is: 193,848.60
Step by Step Solution
- Step 1: Write the proportion equation
204,027.80 : 306,041.70 = 129,232.40 : x - Step 2: Convert to fraction form
204,027.80/306,041.70 = 129,232.40/x - Step 3: Cross multiply
204,027.80x = 306,041.70 × 129,232.40 - Step 4: Simplify right side
204,027.80x = 39,550,503,391.08 - Step 5: Solve for x
x = 39,550,503,391.08/204,027.80 - Step 6: Final answer
x = 193,848.60
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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.