Finding the Fourth Proportional to 132,371.08, 198,655.05 and 53,485.99
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Solution
The fourth proportional to 132,371.08, 198,655.05 and 53,485.99 is: 80,268.76
Step by Step Solution
- Step 1: Write the proportion equation
132,371.08 : 198,655.05 = 53,485.99 : x - Step 2: Convert to fraction form
132,371.08/198,655.05 = 53,485.99/x - Step 3: Cross multiply
132,371.08x = 198,655.05 × 53,485.99 - Step 4: Simplify right side
132,371.08x = 10,625,262,017.75 - Step 5: Solve for x
x = 10,625,262,017.75/132,371.08 - Step 6: Final answer
x = 80,268.76
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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.