Finding the Fourth Proportional to 449,190.97, 619,734.75 and 296,305.09
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Solution
The fourth proportional to 449,190.97, 619,734.75 and 296,305.09 is: 408,802.87
Step by Step Solution
- Step 1: Write the proportion equation
449,190.97 : 619,734.75 = 296,305.09 : x - Step 2: Convert to fraction form
449,190.97/619,734.75 = 296,305.09/x - Step 3: Cross multiply
449,190.97x = 619,734.75 × 296,305.09 - Step 4: Simplify right side
449,190.97x = 183,630,558,214.40 - Step 5: Solve for x
x = 183,630,558,214.40/449,190.97 - Step 6: Final answer
x = 408,802.87
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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.