Finding the Fourth Proportional to 203,621.13, 305,475.56 and 61,454.50
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Solution
The fourth proportional to 203,621.13, 305,475.56 and 61,454.50 is: 92,194.99
Step by Step Solution
- Step 1: Write the proportion equation
203,621.13 : 305,475.56 = 61,454.50 : x - Step 2: Convert to fraction form
203,621.13/305,475.56 = 61,454.50/x - Step 3: Cross multiply
203,621.13x = 305,475.56 × 61,454.50 - Step 4: Simplify right side
203,621.13x = 18,772,847,802.02 - Step 5: Solve for x
x = 18,772,847,802.02/203,621.13 - Step 6: Final answer
x = 92,194.99
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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.