Finding the Fourth Proportional to 171,910.36, 257,751.18 and 87,701.08
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Solution
The fourth proportional to 171,910.36, 257,751.18 and 87,701.08 is: 131,493.28
Step by Step Solution
- Step 1: Write the proportion equation
171,910.36 : 257,751.18 = 87,701.08 : x - Step 2: Convert to fraction form
171,910.36/257,751.18 = 87,701.08/x - Step 3: Cross multiply
171,910.36x = 257,751.18 × 87,701.08 - Step 4: Simplify right side
171,910.36x = 22,605,056,857.27 - Step 5: Solve for x
x = 22,605,056,857.27/171,910.36 - Step 6: Final answer
x = 131,493.28
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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.