Finding the Fourth Proportional to 188,909.46, 283,394.88 and 55,803.12
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Solution
The fourth proportional to 188,909.46, 283,394.88 and 55,803.12 is: 83,713.75
Step by Step Solution
- Step 1: Write the proportion equation
188,909.46 : 283,394.88 = 55,803.12 : x - Step 2: Convert to fraction form
188,909.46/283,394.88 = 55,803.12/x - Step 3: Cross multiply
188,909.46x = 283,394.88 × 55,803.12 - Step 4: Simplify right side
188,909.46x = 15,814,318,496.03 - Step 5: Solve for x
x = 15,814,318,496.03/188,909.46 - Step 6: Final answer
x = 83,713.75
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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.