Finding the Fourth Proportional to 413,843.13, 620,764.70 and 118,355.13
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Solution
The fourth proportional to 413,843.13, 620,764.70 and 118,355.13 is: 177,532.70
Step by Step Solution
- Step 1: Write the proportion equation
413,843.13 : 620,764.70 = 118,355.13 : x - Step 2: Convert to fraction form
413,843.13/620,764.70 = 118,355.13/x - Step 3: Cross multiply
413,843.13x = 620,764.70 × 118,355.13 - Step 4: Simplify right side
413,843.13x = 73,470,686,767.91 - Step 5: Solve for x
x = 73,470,686,767.91/413,843.13 - Step 6: Final answer
x = 177,532.70
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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.