Finding the Fourth Proportional to 192,659.28, 265,896.60 and 107,782.08
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Solution
The fourth proportional to 192,659.28, 265,896.60 and 107,782.08 is: 148,754.26
Step by Step Solution
- Step 1: Write the proportion equation
192,659.28 : 265,896.60 = 107,782.08 : x - Step 2: Convert to fraction form
192,659.28/265,896.60 = 107,782.08/x - Step 3: Cross multiply
192,659.28x = 265,896.60 × 107,782.08 - Step 4: Simplify right side
192,659.28x = 28,658,888,612.93 - Step 5: Solve for x
x = 28,658,888,612.93/192,659.28 - Step 6: Final answer
x = 148,754.26
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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.