Finding the Fourth Proportional to 357,939.99, 493,944.57 and 196,793.79
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Solution
The fourth proportional to 357,939.99, 493,944.57 and 196,793.79 is: 271,568.49
Step by Step Solution
- Step 1: Write the proportion equation
357,939.99 : 493,944.57 = 196,793.79 : x - Step 2: Convert to fraction form
357,939.99/493,944.57 = 196,793.79/x - Step 3: Cross multiply
357,939.99x = 493,944.57 × 196,793.79 - Step 4: Simplify right side
357,939.99x = 97,205,223,980.22 - Step 5: Solve for x
x = 97,205,223,980.22/357,939.99 - Step 6: Final answer
x = 271,568.49
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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.