Finding the Fourth Proportional to 415,210.50, 622,859.49 and 190,532.70
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Solution
The fourth proportional to 415,210.50, 622,859.49 and 190,532.70 is: 285,819.12
Step by Step Solution
- Step 1: Write the proportion equation
415,210.50 : 622,859.49 = 190,532.70 : x - Step 2: Convert to fraction form
415,210.50/622,859.49 = 190,532.70/x - Step 3: Cross multiply
415,210.50x = 622,859.49 × 190,532.70 - Step 4: Simplify right side
415,210.50x = 118,675,100,350.32 - Step 5: Solve for x
x = 118,675,100,350.32/415,210.50 - Step 6: Final answer
x = 285,819.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.