Finding the Fourth Proportional to 393,092.99, 589,777.84 and 193,553.54
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Solution
The fourth proportional to 393,092.99, 589,777.84 and 193,553.54 is: 290,398.43
Step by Step Solution
- Step 1: Write the proportion equation
393,092.99 : 589,777.84 = 193,553.54 : x - Step 2: Convert to fraction form
393,092.99/589,777.84 = 193,553.54/x - Step 3: Cross multiply
393,092.99x = 589,777.84 × 193,553.54 - Step 4: Simplify right side
393,092.99x = 114,153,588,745.55 - Step 5: Solve for x
x = 114,153,588,745.55/393,092.99 - Step 6: Final answer
x = 290,398.43
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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.