Finding the Fourth Proportional to 132,268.08, 198,352.60 and 53,339.28
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Solution
The fourth proportional to 132,268.08, 198,352.60 and 53,339.28 is: 79,988.95
Step by Step Solution
- Step 1: Write the proportion equation
132,268.08 : 198,352.60 = 53,339.28 : x - Step 2: Convert to fraction form
132,268.08/198,352.60 = 53,339.28/x - Step 3: Cross multiply
132,268.08x = 198,352.60 × 53,339.28 - Step 4: Simplify right side
132,268.08x = 10,579,984,870.13 - Step 5: Solve for x
x = 10,579,984,870.13/132,268.08 - Step 6: Final answer
x = 79,988.95
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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.