Finding the Fourth Proportional to 354,092.28, 488,632.02 and 201,129.99
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Solution
The fourth proportional to 354,092.28, 488,632.02 and 201,129.99 is: 277,550.68
Step by Step Solution
- Step 1: Write the proportion equation
354,092.28 : 488,632.02 = 201,129.99 : x - Step 2: Convert to fraction form
354,092.28/488,632.02 = 201,129.99/x - Step 3: Cross multiply
354,092.28x = 488,632.02 × 201,129.99 - Step 4: Simplify right side
354,092.28x = 98,278,553,296.28 - Step 5: Solve for x
x = 98,278,553,296.28/354,092.28 - Step 6: Final answer
x = 277,550.68
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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.