Finding the Fourth Proportional to 186,553.44, 257,542.20 and 149,857.20
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Solution
The fourth proportional to 186,553.44, 257,542.20 and 149,857.20 is: 206,882.02
Step by Step Solution
- Step 1: Write the proportion equation
186,553.44 : 257,542.20 = 149,857.20 : x - Step 2: Convert to fraction form
186,553.44/257,542.20 = 149,857.20/x - Step 3: Cross multiply
186,553.44x = 257,542.20 × 149,857.20 - Step 4: Simplify right side
186,553.44x = 38,594,552,973.84 - Step 5: Solve for x
x = 38,594,552,973.84/186,553.44 - Step 6: Final answer
x = 206,882.02
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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.