Finding the Fourth Proportional to 149,673.44, 206,549.28 and 82,605.44
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Solution
The fourth proportional to 149,673.44, 206,549.28 and 82,605.44 is: 113,995.47
Step by Step Solution
- Step 1: Write the proportion equation
149,673.44 : 206,549.28 = 82,605.44 : x - Step 2: Convert to fraction form
149,673.44/206,549.28 = 82,605.44/x - Step 3: Cross multiply
149,673.44x = 206,549.28 × 82,605.44 - Step 4: Simplify right side
149,673.44x = 17,062,094,156.08 - Step 5: Solve for x
x = 17,062,094,156.08/149,673.44 - Step 6: Final answer
x = 113,995.47
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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.