Finding the Fourth Proportional to 351,877.84, 485,592.28 and 190,732.72
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Solution
The fourth proportional to 351,877.84, 485,592.28 and 190,732.72 is: 263,211.62
Step by Step Solution
- Step 1: Write the proportion equation
351,877.84 : 485,592.28 = 190,732.72 : x - Step 2: Convert to fraction form
351,877.84/485,592.28 = 190,732.72/x - Step 3: Cross multiply
351,877.84x = 485,592.28 × 190,732.72 - Step 4: Simplify right side
351,877.84x = 92,618,336,375.40 - Step 5: Solve for x
x = 92,618,336,375.40/351,877.84 - Step 6: Final answer
x = 263,211.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.