Finding the Fourth Proportional to 372,231.99, 513,540.99 and 219,176.64
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Solution
The fourth proportional to 372,231.99, 513,540.99 and 219,176.64 is: 302,381.83
Step by Step Solution
- Step 1: Write the proportion equation
372,231.99 : 513,540.99 = 219,176.64 : x - Step 2: Convert to fraction form
372,231.99/513,540.99 = 219,176.64/x - Step 3: Cross multiply
372,231.99x = 513,540.99 × 219,176.64 - Step 4: Simplify right side
372,231.99x = 112,556,188,690.47 - Step 5: Solve for x
x = 112,556,188,690.47/372,231.99 - Step 6: Final answer
x = 302,381.83
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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.