Finding the Fourth Proportional to 450,316.60, 675,556.74 and 213,657.08
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Solution
The fourth proportional to 450,316.60, 675,556.74 and 213,657.08 is: 320,524.44
Step by Step Solution
- Step 1: Write the proportion equation
450,316.60 : 675,556.74 = 213,657.08 : x - Step 2: Convert to fraction form
450,316.60/675,556.74 = 213,657.08/x - Step 3: Cross multiply
450,316.60x = 675,556.74 × 213,657.08 - Step 4: Simplify right side
450,316.60x = 144,337,477,064.94 - Step 5: Solve for x
x = 144,337,477,064.94/450,316.60 - Step 6: Final answer
x = 320,524.44
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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.