Finding the Fourth Proportional to 407,651.22, 562,610.57 and 246,507.44
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Solution
The fourth proportional to 407,651.22, 562,610.57 and 246,507.44 is: 340,211.63
Step by Step Solution
- Step 1: Write the proportion equation
407,651.22 : 562,610.57 = 246,507.44 : x - Step 2: Convert to fraction form
407,651.22/562,610.57 = 246,507.44/x - Step 3: Cross multiply
407,651.22x = 562,610.57 × 246,507.44 - Step 4: Simplify right side
407,651.22x = 138,687,687,282.05 - Step 5: Solve for x
x = 138,687,687,282.05/407,651.22 - Step 6: Final answer
x = 340,211.63
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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.