Finding the Fourth Proportional to 230,792.44, 318,480.62 and 128,824.48
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Solution
The fourth proportional to 230,792.44, 318,480.62 and 128,824.48 is: 177,770.56
Step by Step Solution
- Step 1: Write the proportion equation
230,792.44 : 318,480.62 = 128,824.48 : x - Step 2: Convert to fraction form
230,792.44/318,480.62 = 128,824.48/x - Step 3: Cross multiply
230,792.44x = 318,480.62 × 128,824.48 - Step 4: Simplify right side
230,792.44x = 41,028,100,261.58 - Step 5: Solve for x
x = 41,028,100,261.58/230,792.44 - Step 6: Final answer
x = 177,770.56
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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.