Finding the Fourth Proportional to 407,523.05, 562,353.57 and 226,220.75
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Solution
The fourth proportional to 407,523.05, 562,353.57 and 226,220.75 is: 312,168.96
Step by Step Solution
- Step 1: Write the proportion equation
407,523.05 : 562,353.57 = 226,220.75 : x - Step 2: Convert to fraction form
407,523.05/562,353.57 = 226,220.75/x - Step 3: Cross multiply
407,523.05x = 562,353.57 × 226,220.75 - Step 4: Simplify right side
407,523.05x = 127,216,046,370.58 - Step 5: Solve for x
x = 127,216,046,370.58/407,523.05 - Step 6: Final answer
x = 312,168.96
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1.5x scale
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.