Finding the Fourth Proportional to 383,190.96, 528,819.75 and 213,425.07
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Solution
The fourth proportional to 383,190.96, 528,819.75 and 213,425.07 is: 294,535.63
Step by Step Solution
- Step 1: Write the proportion equation
383,190.96 : 528,819.75 = 213,425.07 : x - Step 2: Convert to fraction form
383,190.96/528,819.75 = 213,425.07/x - Step 3: Cross multiply
383,190.96x = 528,819.75 × 213,425.07 - Step 4: Simplify right side
383,190.96x = 112,863,392,161.13 - Step 5: Solve for x
x = 112,863,392,161.13/383,190.96 - Step 6: Final answer
x = 294,535.63
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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.