Finding the Fourth Proportional to 66,833.64, 100,250.44 and 16,913.99
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Solution
The fourth proportional to 66,833.64, 100,250.44 and 16,913.99 is: 25,370.98
Step by Step Solution
- Step 1: Write the proportion equation
66,833.64 : 100,250.44 = 16,913.99 : x - Step 2: Convert to fraction form
66,833.64/100,250.44 = 16,913.99/x - Step 3: Cross multiply
66,833.64x = 100,250.44 × 16,913.99 - Step 4: Simplify right side
66,833.64x = 1,695,635,148.00 - Step 5: Solve for x
x = 1,695,635,148.00/66,833.64 - Step 6: Final answer
x = 25,370.98
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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.