Finding the Fourth Proportional to 188,461.60, 282,310.72 and 87,115.68
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Solution
The fourth proportional to 188,461.60, 282,310.72 and 87,115.68 is: 130,497.09
Step by Step Solution
- Step 1: Write the proportion equation
188,461.60 : 282,310.72 = 87,115.68 : x - Step 2: Convert to fraction form
188,461.60/282,310.72 = 87,115.68/x - Step 3: Cross multiply
188,461.60x = 282,310.72 × 87,115.68 - Step 4: Simplify right side
188,461.60x = 24,593,690,344.09 - Step 5: Solve for x
x = 24,593,690,344.09/188,461.60 - Step 6: Final answer
x = 130,497.09
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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.