Finding the Fourth Proportional to 165,982.97, 228,874.68 and 112,174.54
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Solution
The fourth proportional to 165,982.97, 228,874.68 and 112,174.54 is: 154,677.98
Step by Step Solution
- Step 1: Write the proportion equation
165,982.97 : 228,874.68 = 112,174.54 : x - Step 2: Convert to fraction form
165,982.97/228,874.68 = 112,174.54/x - Step 3: Cross multiply
165,982.97x = 228,874.68 × 112,174.54 - Step 4: Simplify right side
165,982.97x = 25,673,911,374.46 - Step 5: Solve for x
x = 25,673,911,374.46/165,982.97 - Step 6: Final answer
x = 154,677.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.