Finding the Fourth Proportional to 170,682.07, 235,431.61 and 103,614.07
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Solution
The fourth proportional to 170,682.07, 235,431.61 and 103,614.07 is: 142,920.85
Step by Step Solution
- Step 1: Write the proportion equation
170,682.07 : 235,431.61 = 103,614.07 : x - Step 2: Convert to fraction form
170,682.07/235,431.61 = 103,614.07/x - Step 3: Cross multiply
170,682.07x = 235,431.61 × 103,614.07 - Step 4: Simplify right side
170,682.07x = 24,394,027,318.75 - Step 5: Solve for x
x = 24,394,027,318.75/170,682.07 - Step 6: Final answer
x = 142,920.85
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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.