Finding the Fourth Proportional to 132,465.29, 183,283.47 and 115,504.90
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Solution
The fourth proportional to 132,465.29, 183,283.47 and 115,504.90 is: 159,816.50
Step by Step Solution
- Step 1: Write the proportion equation
132,465.29 : 183,283.47 = 115,504.90 : x - Step 2: Convert to fraction form
132,465.29/183,283.47 = 115,504.90/x - Step 3: Cross multiply
132,465.29x = 183,283.47 × 115,504.90 - Step 4: Simplify right side
132,465.29x = 21,170,138,874.00 - Step 5: Solve for x
x = 21,170,138,874.00/132,465.29 - Step 6: Final answer
x = 159,816.50
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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.