Finding the Fourth Proportional to 203,518.84, 305,292.96 and 53,757.18
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Solution
The fourth proportional to 203,518.84, 305,292.96 and 53,757.18 is: 80,639.65
Step by Step Solution
- Step 1: Write the proportion equation
203,518.84 : 305,292.96 = 53,757.18 : x - Step 2: Convert to fraction form
203,518.84/305,292.96 = 53,757.18/x - Step 3: Cross multiply
203,518.84x = 305,292.96 × 53,757.18 - Step 4: Simplify right side
203,518.84x = 16,411,688,603.45 - Step 5: Solve for x
x = 16,411,688,603.45/203,518.84 - Step 6: Final answer
x = 80,639.65
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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.