Finding the Fourth Proportional to 626,231.84, 938,103.60 and 345,051.68
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Solution
The fourth proportional to 626,231.84, 938,103.60 and 345,051.68 is: 516,891.99
Step by Step Solution
- Step 1: Write the proportion equation
626,231.84 : 938,103.60 = 345,051.68 : x - Step 2: Convert to fraction form
626,231.84/938,103.60 = 345,051.68/x - Step 3: Cross multiply
626,231.84x = 938,103.60 × 345,051.68 - Step 4: Simplify right side
626,231.84x = 323,694,223,194.05 - Step 5: Solve for x
x = 323,694,223,194.05/626,231.84 - Step 6: Final answer
x = 516,891.99
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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.