Finding the Fourth Proportional to 171,512.48, 257,504.37 and 87,329.21
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Solution
The fourth proportional to 171,512.48, 257,504.37 and 87,329.21 is: 131,113.79
Step by Step Solution
- Step 1: Write the proportion equation
171,512.48 : 257,504.37 = 87,329.21 : x - Step 2: Convert to fraction form
171,512.48/257,504.37 = 87,329.21/x - Step 3: Cross multiply
171,512.48x = 257,504.37 × 87,329.21 - Step 4: Simplify right side
171,512.48x = 22,487,651,916.13 - Step 5: Solve for x
x = 22,487,651,916.13/171,512.48 - Step 6: Final answer
x = 131,113.79
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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.