Finding the Fourth Proportional to 165,676.05, 248,514.08 and 115,812.45
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Solution
The fourth proportional to 165,676.05, 248,514.08 and 115,812.45 is: 173,718.68
Step by Step Solution
- Step 1: Write the proportion equation
165,676.05 : 248,514.08 = 115,812.45 : x - Step 2: Convert to fraction form
165,676.05/248,514.08 = 115,812.45/x - Step 3: Cross multiply
165,676.05x = 248,514.08 × 115,812.45 - Step 4: Simplify right side
165,676.05x = 28,781,023,885.23 - Step 5: Solve for x
x = 28,781,023,885.23/165,676.05 - Step 6: Final answer
x = 173,718.68
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1.5x scale
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.