Finding the Fourth Proportional to 188,911.46, 283,397.88 and 55,805.12
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Solution
The fourth proportional to 188,911.46, 283,397.88 and 55,805.12 is: 83,716.75
Step by Step Solution
- Step 1: Write the proportion equation
188,911.46 : 283,397.88 = 55,805.12 : x - Step 2: Convert to fraction form
188,911.46/283,397.88 = 55,805.12/x - Step 3: Cross multiply
188,911.46x = 283,397.88 × 55,805.12 - Step 4: Simplify right side
188,911.46x = 15,815,052,701.15 - Step 5: Solve for x
x = 15,815,052,701.15/188,911.46 - Step 6: Final answer
x = 83,716.75
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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.