Finding the Fourth Proportional to 192,023.08, 264,917.94 and 120,278.20
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Solution
The fourth proportional to 192,023.08, 264,917.94 and 120,278.20 is: 165,937.62
Step by Step Solution
- Step 1: Write the proportion equation
192,023.08 : 264,917.94 = 120,278.20 : x - Step 2: Convert to fraction form
192,023.08/264,917.94 = 120,278.20/x - Step 3: Cross multiply
192,023.08x = 264,917.94 × 120,278.20 - Step 4: Simplify right side
192,023.08x = 31,863,852,970.91 - Step 5: Solve for x
x = 31,863,852,970.91/192,023.08 - Step 6: Final answer
x = 165,937.62
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1.5x scale
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.