Finding the Fourth Proportional to 295,956.62, 408,421.71 and 161,820.62
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Solution
The fourth proportional to 295,956.62, 408,421.71 and 161,820.62 is: 223,313.32
Step by Step Solution
- Step 1: Write the proportion equation
295,956.62 : 408,421.71 = 161,820.62 : x - Step 2: Convert to fraction form
295,956.62/408,421.71 = 161,820.62/x - Step 3: Cross multiply
295,956.62x = 408,421.71 × 161,820.62 - Step 4: Simplify right side
295,956.62x = 66,091,054,333.66 - Step 5: Solve for x
x = 66,091,054,333.66/295,956.62 - Step 6: Final answer
x = 223,313.32
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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.