Finding the Fourth Proportional to 372,114.44, 513,556.05 and 219,200.75
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Solution
The fourth proportional to 372,114.44, 513,556.05 and 219,200.75 is: 302,519.49
Step by Step Solution
- Step 1: Write the proportion equation
372,114.44 : 513,556.05 = 219,200.75 : x - Step 2: Convert to fraction form
372,114.44/513,556.05 = 219,200.75/x - Step 3: Cross multiply
372,114.44x = 513,556.05 × 219,200.75 - Step 4: Simplify right side
372,114.44x = 112,571,867,663.25 - Step 5: Solve for x
x = 112,571,867,663.25/372,114.44 - Step 6: Final answer
x = 302,519.49
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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.