Finding the Fourth Proportional to 202,672.52, 303,844.80 and 84,432.68
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Solution
The fourth proportional to 202,672.52, 303,844.80 and 84,432.68 is: 126,580.71
Step by Step Solution
- Step 1: Write the proportion equation
202,672.52 : 303,844.80 = 84,432.68 : x - Step 2: Convert to fraction form
202,672.52/303,844.80 = 84,432.68/x - Step 3: Cross multiply
202,672.52x = 303,844.80 × 84,432.68 - Step 4: Simplify right side
202,672.52x = 25,654,430,768.06 - Step 5: Solve for x
x = 25,654,430,768.06/202,672.52 - Step 6: Final answer
x = 126,580.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.