Finding the Fourth Proportional to 203,518.34, 305,292.21 and 53,756.68
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Solution
The fourth proportional to 203,518.34, 305,292.21 and 53,756.68 is: 80,638.90
Step by Step Solution
- Step 1: Write the proportion equation
203,518.34 : 305,292.21 = 53,756.68 : x - Step 2: Convert to fraction form
203,518.34/305,292.21 = 53,756.68/x - Step 3: Cross multiply
203,518.34x = 305,292.21 × 53,756.68 - Step 4: Simplify right side
203,518.34x = 16,411,495,639.46 - Step 5: Solve for x
x = 16,411,495,639.46/203,518.34 - Step 6: Final answer
x = 80,638.90
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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.