Finding the Fourth Proportional to 170,866.88, 256,121.92 and 58,513.92
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Solution
The fourth proportional to 170,866.88, 256,121.92 and 58,513.92 is: 87,709.79
Step by Step Solution
- Step 1: Write the proportion equation
170,866.88 : 256,121.92 = 58,513.92 : x - Step 2: Convert to fraction form
170,866.88/256,121.92 = 58,513.92/x - Step 3: Cross multiply
170,866.88x = 256,121.92 × 58,513.92 - Step 4: Simplify right side
170,866.88x = 14,986,697,537.13 - Step 5: Solve for x
x = 14,986,697,537.13/170,866.88 - Step 6: Final answer
x = 87,709.79
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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.