Finding the Fourth Proportional to 186,458.92, 257,315.00 and 101,575.98
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Solution
The fourth proportional to 186,458.92, 257,315.00 and 101,575.98 is: 140,175.77
Step by Step Solution
- Step 1: Write the proportion equation
186,458.92 : 257,315.00 = 101,575.98 : x - Step 2: Convert to fraction form
186,458.92/257,315.00 = 101,575.98/x - Step 3: Cross multiply
186,458.92x = 257,315.00 × 101,575.98 - Step 4: Simplify right side
186,458.92x = 26,137,022,785.82 - Step 5: Solve for x
x = 26,137,022,785.82/186,458.92 - Step 6: Final answer
x = 140,175.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.