Finding the Fourth Proportional to 247,668.87, 371,383.13 and 121,160.94
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Solution
The fourth proportional to 247,668.87, 371,383.13 and 121,160.94 is: 181,682.62
Step by Step Solution
- Step 1: Write the proportion equation
247,668.87 : 371,383.13 = 121,160.94 : x - Step 2: Convert to fraction form
247,668.87/371,383.13 = 121,160.94/x - Step 3: Cross multiply
247,668.87x = 371,383.13 × 121,160.94 - Step 4: Simplify right side
247,668.87x = 44,997,128,404.14 - Step 5: Solve for x
x = 44,997,128,404.14/247,668.87 - Step 6: Final answer
x = 181,682.62
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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.