Finding the Fourth Proportional to 320,523.11, 480,809.94 and 107,292.26
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Solution
The fourth proportional to 320,523.11, 480,809.94 and 107,292.26 is: 160,946.86
Step by Step Solution
- Step 1: Write the proportion equation
320,523.11 : 480,809.94 = 107,292.26 : x - Step 2: Convert to fraction form
320,523.11/480,809.94 = 107,292.26/x - Step 3: Cross multiply
320,523.11x = 480,809.94 × 107,292.26 - Step 4: Simplify right side
320,523.11x = 51,587,186,295.09 - Step 5: Solve for x
x = 51,587,186,295.09/320,523.11 - Step 6: Final answer
x = 160,946.86
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1.5x scale
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.