Finding the Fourth Proportional to 226,738.80, 340,370.10 and 121,762.80
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Solution
The fourth proportional to 226,738.80, 340,370.10 and 121,762.80 is: 182,784.84
Step by Step Solution
- Step 1: Write the proportion equation
226,738.80 : 340,370.10 = 121,762.80 : x - Step 2: Convert to fraction form
226,738.80/340,370.10 = 121,762.80/x - Step 3: Cross multiply
226,738.80x = 340,370.10 × 121,762.80 - Step 4: Simplify right side
226,738.80x = 41,444,416,412.28 - Step 5: Solve for x
x = 41,444,416,412.28/226,738.80 - Step 6: Final answer
x = 182,784.84
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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.