Finding the Fourth Proportional to 274,358.63, 378,487.03 and 177,593.70
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Solution
The fourth proportional to 274,358.63, 378,487.03 and 177,593.70 is: 244,996.53
Step by Step Solution
- Step 1: Write the proportion equation
274,358.63 : 378,487.03 = 177,593.70 : x - Step 2: Convert to fraction form
274,358.63/378,487.03 = 177,593.70/x - Step 3: Cross multiply
274,358.63x = 378,487.03 × 177,593.70 - Step 4: Simplify right side
274,358.63x = 67,216,912,059.71 - Step 5: Solve for x
x = 67,216,912,059.71/274,358.63 - Step 6: Final answer
x = 244,996.53
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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.