Finding the Fourth Proportional to 198,357.12, 297,496.80 and 58,078.08
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Solution
The fourth proportional to 198,357.12, 297,496.80 and 58,078.08 is: 87,105.74
Step by Step Solution
- Step 1: Write the proportion equation
198,357.12 : 297,496.80 = 58,078.08 : x - Step 2: Convert to fraction form
198,357.12/297,496.80 = 58,078.08/x - Step 3: Cross multiply
198,357.12x = 297,496.80 × 58,078.08 - Step 4: Simplify right side
198,357.12x = 17,278,042,950.14 - Step 5: Solve for x
x = 17,278,042,950.14/198,357.12 - Step 6: Final answer
x = 87,105.74
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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.