Finding the Fourth Proportional to 132,290.96, 182,564.84 and 72,674.96
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Solution
The fourth proportional to 132,290.96, 182,564.84 and 72,674.96 is: 100,293.27
Step by Step Solution
- Step 1: Write the proportion equation
132,290.96 : 182,564.84 = 72,674.96 : x - Step 2: Convert to fraction form
132,290.96/182,564.84 = 72,674.96/x - Step 3: Cross multiply
132,290.96x = 182,564.84 × 72,674.96 - Step 4: Simplify right side
132,290.96x = 13,267,892,444.41 - Step 5: Solve for x
x = 13,267,892,444.41/132,290.96 - Step 6: Final answer
x = 100,293.27
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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.