Finding the Fourth Proportional to 354,601.29, 531,717.09 and 126,809.06
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Solution
The fourth proportional to 354,601.29, 531,717.09 and 126,809.06 is: 190,147.48
Step by Step Solution
- Step 1: Write the proportion equation
354,601.29 : 531,717.09 = 126,809.06 : x - Step 2: Convert to fraction form
354,601.29/531,717.09 = 126,809.06/x - Step 3: Cross multiply
354,601.29x = 531,717.09 × 126,809.06 - Step 4: Simplify right side
354,601.29x = 67,426,541,710.25 - Step 5: Solve for x
x = 67,426,541,710.25/354,601.29 - Step 6: Final answer
x = 190,147.48
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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.