Finding the Fourth Proportional to 353,105.73, 487,289.07 and 191,961.09
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Solution
The fourth proportional to 353,105.73, 487,289.07 and 191,961.09 is: 264,908.02
Step by Step Solution
- Step 1: Write the proportion equation
353,105.73 : 487,289.07 = 191,961.09 : x - Step 2: Convert to fraction form
353,105.73/487,289.07 = 191,961.09/x - Step 3: Cross multiply
353,105.73x = 487,289.07 × 191,961.09 - Step 4: Simplify right side
353,105.73x = 93,540,541,022.29 - Step 5: Solve for x
x = 93,540,541,022.29/353,105.73 - Step 6: Final answer
x = 264,908.02
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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.