Finding the Fourth Proportional to 192,102.76, 265,070.10 and 107,219.80
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Solution
The fourth proportional to 192,102.76, 265,070.10 and 107,219.80 is: 147,945.63
Step by Step Solution
- Step 1: Write the proportion equation
192,102.76 : 265,070.10 = 107,219.80 : x - Step 2: Convert to fraction form
192,102.76/265,070.10 = 107,219.80/x - Step 3: Cross multiply
192,102.76x = 265,070.10 × 107,219.80 - Step 4: Simplify right side
192,102.76x = 28,420,763,107.98 - Step 5: Solve for x
x = 28,420,763,107.98/192,102.76 - Step 6: Final answer
x = 147,945.63
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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.