Finding the Fourth Proportional to 159,115.92, 238,661.19 and 92,513.58
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Solution
The fourth proportional to 159,115.92, 238,661.19 and 92,513.58 is: 138,762.99
Step by Step Solution
- Step 1: Write the proportion equation
159,115.92 : 238,661.19 = 92,513.58 : x - Step 2: Convert to fraction form
159,115.92/238,661.19 = 92,513.58/x - Step 3: Cross multiply
159,115.92x = 238,661.19 × 92,513.58 - Step 4: Simplify right side
159,115.92x = 22,079,401,093.96 - Step 5: Solve for x
x = 22,079,401,093.96/159,115.92 - Step 6: Final answer
x = 138,762.99
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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.