Finding the Fourth Proportional to 263,699.58, 395,560.29 and 76,711.08
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Solution
The fourth proportional to 263,699.58, 395,560.29 and 76,711.08 is: 115,069.80
Step by Step Solution
- Step 1: Write the proportion equation
263,699.58 : 395,560.29 = 76,711.08 : x - Step 2: Convert to fraction form
263,699.58/395,560.29 = 76,711.08/x - Step 3: Cross multiply
263,699.58x = 395,560.29 × 76,711.08 - Step 4: Simplify right side
263,699.58x = 30,343,857,051.01 - Step 5: Solve for x
x = 30,343,857,051.01/263,699.58 - Step 6: Final answer
x = 115,069.80
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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.