Finding the Fourth Proportional to 132,276.18, 182,538.51 and 74,914.59
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Solution
The fourth proportional to 132,276.18, 182,538.51 and 74,914.59 is: 103,380.65
Step by Step Solution
- Step 1: Write the proportion equation
132,276.18 : 182,538.51 = 74,914.59 : x - Step 2: Convert to fraction form
132,276.18/182,538.51 = 74,914.59/x - Step 3: Cross multiply
132,276.18x = 182,538.51 × 74,914.59 - Step 4: Simplify right side
132,276.18x = 13,674,797,635.86 - Step 5: Solve for x
x = 13,674,797,635.86/132,276.18 - Step 6: Final answer
x = 103,380.65
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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.