Finding the Fourth Proportional to 372,239.92, 513,736.70 and 219,270.21
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Solution
The fourth proportional to 372,239.92, 513,736.70 and 219,270.21 is: 302,619.75
Step by Step Solution
- Step 1: Write the proportion equation
372,239.92 : 513,736.70 = 219,270.21 : x - Step 2: Convert to fraction form
372,239.92/513,736.70 = 219,270.21/x - Step 3: Cross multiply
372,239.92x = 513,736.70 × 219,270.21 - Step 4: Simplify right side
372,239.92x = 112,647,151,070.84 - Step 5: Solve for x
x = 112,647,151,070.84/372,239.92 - Step 6: Final answer
x = 302,619.75
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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.