Finding the Fourth Proportional to 261,965.92, 392,358.09 and 183,430.75
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Solution
The fourth proportional to 261,965.92, 392,358.09 and 183,430.75 is: 274,732.45
Step by Step Solution
- Step 1: Write the proportion equation
261,965.92 : 392,358.09 = 183,430.75 : x - Step 2: Convert to fraction form
261,965.92/392,358.09 = 183,430.75/x - Step 3: Cross multiply
261,965.92x = 392,358.09 × 183,430.75 - Step 4: Simplify right side
261,965.92x = 71,970,538,717.27 - Step 5: Solve for x
x = 71,970,538,717.27/261,965.92 - Step 6: Final answer
x = 274,732.45
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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.