Finding the Fourth Proportional to 192,660.24, 265,871.52 and 107,778.72
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Solution
The fourth proportional to 192,660.24, 265,871.52 and 107,778.72 is: 148,734.85
Step by Step Solution
- Step 1: Write the proportion equation
192,660.24 : 265,871.52 = 107,778.72 : x - Step 2: Convert to fraction form
192,660.24/265,871.52 = 107,778.72/x - Step 3: Cross multiply
192,660.24x = 265,871.52 × 107,778.72 - Step 4: Simplify right side
192,660.24x = 28,655,292,110.05 - Step 5: Solve for x
x = 28,655,292,110.05/192,660.24 - Step 6: Final answer
x = 148,734.85
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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.