Finding the Fourth Proportional to 192,534.14, 265,615.74 and 128,892.44
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Solution
The fourth proportional to 192,534.14, 265,615.74 and 128,892.44 is: 177,817.09
Step by Step Solution
- Step 1: Write the proportion equation
192,534.14 : 265,615.74 = 128,892.44 : x - Step 2: Convert to fraction form
192,534.14/265,615.74 = 128,892.44/x - Step 3: Cross multiply
192,534.14x = 265,615.74 × 128,892.44 - Step 4: Simplify right side
192,534.14x = 34,235,860,831.01 - Step 5: Solve for x
x = 34,235,860,831.01/192,534.14 - Step 6: Final answer
x = 177,817.09
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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.