Finding the Fourth Proportional to 203,816.17, 305,723.85 and 133,679.08
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Solution
The fourth proportional to 203,816.17, 305,723.85 and 133,679.08 is: 200,518.35
Step by Step Solution
- Step 1: Write the proportion equation
203,816.17 : 305,723.85 = 133,679.08 : x - Step 2: Convert to fraction form
203,816.17/305,723.85 = 133,679.08/x - Step 3: Cross multiply
203,816.17x = 305,723.85 × 133,679.08 - Step 4: Simplify right side
203,816.17x = 40,868,883,002.06 - Step 5: Solve for x
x = 40,868,883,002.06/203,816.17 - Step 6: Final answer
x = 200,518.35
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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.