Finding the Fourth Proportional to 199,137.56, 298,761.68 and 86,827.58
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Solution
The fourth proportional to 199,137.56, 298,761.68 and 86,827.58 is: 130,265.50
Step by Step Solution
- Step 1: Write the proportion equation
199,137.56 : 298,761.68 = 86,827.58 : x - Step 2: Convert to fraction form
199,137.56/298,761.68 = 86,827.58/x - Step 3: Cross multiply
199,137.56x = 298,761.68 × 86,827.58 - Step 4: Simplify right side
199,137.56x = 25,940,753,671.13 - Step 5: Solve for x
x = 25,940,753,671.13/199,137.56 - Step 6: Final answer
x = 130,265.50
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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.