Finding the Fourth Proportional to 292,903.56, 404,213.76 and 165,586.68
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Solution
The fourth proportional to 292,903.56, 404,213.76 and 165,586.68 is: 228,513.49
Step by Step Solution
- Step 1: Write the proportion equation
292,903.56 : 404,213.76 = 165,586.68 : x - Step 2: Convert to fraction form
292,903.56/404,213.76 = 165,586.68/x - Step 3: Cross multiply
292,903.56x = 404,213.76 × 165,586.68 - Step 4: Simplify right side
292,903.56x = 66,932,414,528.72 - Step 5: Solve for x
x = 66,932,414,528.72/292,903.56 - Step 6: Final answer
x = 228,513.49
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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.