Finding the Fourth Proportional to 313,890.60, 433,163.90 and 170,654.26
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Solution
The fourth proportional to 313,890.60, 433,163.90 and 170,654.26 is: 235,500.09
Step by Step Solution
- Step 1: Write the proportion equation
313,890.60 : 433,163.90 = 170,654.26 : x - Step 2: Convert to fraction form
313,890.60/433,163.90 = 170,654.26/x - Step 3: Cross multiply
313,890.60x = 433,163.90 × 170,654.26 - Step 4: Simplify right side
313,890.60x = 73,921,264,813.21 - Step 5: Solve for x
x = 73,921,264,813.21/313,890.60 - Step 6: Final answer
x = 235,500.09
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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.