Finding the Fourth Proportional to 165,366.64, 247,853.10 and 115,174.96
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Solution
The fourth proportional to 165,366.64, 247,853.10 and 115,174.96 is: 172,625.33
Step by Step Solution
- Step 1: Write the proportion equation
165,366.64 : 247,853.10 = 115,174.96 : x - Step 2: Convert to fraction form
165,366.64/247,853.10 = 115,174.96/x - Step 3: Cross multiply
165,366.64x = 247,853.10 × 115,174.96 - Step 4: Simplify right side
165,366.64x = 28,546,470,878.38 - Step 5: Solve for x
x = 28,546,470,878.38/165,366.64 - Step 6: Final answer
x = 172,625.33
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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.