Finding the Fourth Proportional to 164,911.10, 246,589.05 and 122,920.70
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Solution
The fourth proportional to 164,911.10, 246,589.05 and 122,920.70 is: 183,801.45
Step by Step Solution
- Step 1: Write the proportion equation
164,911.10 : 246,589.05 = 122,920.70 : x - Step 2: Convert to fraction form
164,911.10/246,589.05 = 122,920.70/x - Step 3: Cross multiply
164,911.10x = 246,589.05 × 122,920.70 - Step 4: Simplify right side
164,911.10x = 30,310,898,638.34 - Step 5: Solve for x
x = 30,310,898,638.34/164,911.10 - Step 6: Final answer
x = 183,801.45
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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.