Finding the Fourth Proportional to 477,918.36, 659,378.88 and 271,152.54
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Solution
The fourth proportional to 477,918.36, 659,378.88 and 271,152.54 is: 374,106.28
Step by Step Solution
- Step 1: Write the proportion equation
477,918.36 : 659,378.88 = 271,152.54 : x - Step 2: Convert to fraction form
477,918.36/659,378.88 = 271,152.54/x - Step 3: Cross multiply
477,918.36x = 659,378.88 × 271,152.54 - Step 4: Simplify right side
477,918.36x = 178,792,258,134.36 - Step 5: Solve for x
x = 178,792,258,134.36/477,918.36 - Step 6: Final answer
x = 374,106.28
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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.