Finding the Fourth Proportional to 203,465.20, 305,226.60 and 63,209.20
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Solution
The fourth proportional to 203,465.20, 305,226.60 and 63,209.20 is: 94,822.75
Step by Step Solution
- Step 1: Write the proportion equation
203,465.20 : 305,226.60 = 63,209.20 : x - Step 2: Convert to fraction form
203,465.20/305,226.60 = 63,209.20/x - Step 3: Cross multiply
203,465.20x = 305,226.60 × 63,209.20 - Step 4: Simplify right side
203,465.20x = 19,293,129,204.72 - Step 5: Solve for x
x = 19,293,129,204.72/203,465.20 - Step 6: Final answer
x = 94,822.75
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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.