Finding the Fourth Proportional to 203,167.72, 280,372.26 and 118,343.08
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Solution
The fourth proportional to 203,167.72, 280,372.26 and 118,343.08 is: 163,313.92
Step by Step Solution
- Step 1: Write the proportion equation
203,167.72 : 280,372.26 = 118,343.08 : x - Step 2: Convert to fraction form
203,167.72/280,372.26 = 118,343.08/x - Step 3: Cross multiply
203,167.72x = 280,372.26 × 118,343.08 - Step 4: Simplify right side
203,167.72x = 33,180,116,794.96 - Step 5: Solve for x
x = 33,180,116,794.96/203,167.72 - Step 6: Final answer
x = 163,313.92
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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.