Finding the Fourth Proportional to 193,042.84, 289,893.12 and 125,689.60
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Solution
The fourth proportional to 193,042.84, 289,893.12 and 125,689.60 is: 188,748.52
Step by Step Solution
- Step 1: Write the proportion equation
193,042.84 : 289,893.12 = 125,689.60 : x - Step 2: Convert to fraction form
193,042.84/289,893.12 = 125,689.60/x - Step 3: Cross multiply
193,042.84x = 289,893.12 × 125,689.60 - Step 4: Simplify right side
193,042.84x = 36,436,550,295.55 - Step 5: Solve for x
x = 36,436,550,295.55/193,042.84 - Step 6: Final answer
x = 188,748.52
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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.