Finding the Fourth Proportional to 263,516.58, 363,651.22 and 142,656.99
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Solution
The fourth proportional to 263,516.58, 363,651.22 and 142,656.99 is: 196,865.75
Step by Step Solution
- Step 1: Write the proportion equation
263,516.58 : 363,651.22 = 142,656.99 : x - Step 2: Convert to fraction form
263,516.58/363,651.22 = 142,656.99/x - Step 3: Cross multiply
263,516.58x = 363,651.22 × 142,656.99 - Step 4: Simplify right side
263,516.58x = 51,877,388,633.35 - Step 5: Solve for x
x = 51,877,388,633.35/263,516.58 - Step 6: Final answer
x = 196,865.75
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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.