Finding the Fourth Proportional to 181,076.94, 249,874.44 and 100,504.49
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Solution
The fourth proportional to 181,076.94, 249,874.44 and 100,504.49 is: 138,689.68
Step by Step Solution
- Step 1: Write the proportion equation
181,076.94 : 249,874.44 = 100,504.49 : x - Step 2: Convert to fraction form
181,076.94/249,874.44 = 100,504.49/x - Step 3: Cross multiply
181,076.94x = 249,874.44 × 100,504.49 - Step 4: Simplify right side
181,076.94x = 25,113,503,156.24 - Step 5: Solve for x
x = 25,113,503,156.24/181,076.94 - Step 6: Final answer
x = 138,689.68
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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.