Finding the Fourth Proportional to 447,539.79, 617,618.28 and 275,556.97
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Solution
The fourth proportional to 447,539.79, 617,618.28 and 275,556.97 is: 380,276.85
Step by Step Solution
- Step 1: Write the proportion equation
447,539.79 : 617,618.28 = 275,556.97 : x - Step 2: Convert to fraction form
447,539.79/617,618.28 = 275,556.97/x - Step 3: Cross multiply
447,539.79x = 617,618.28 × 275,556.97 - Step 4: Simplify right side
447,539.79x = 170,189,022,708.57 - Step 5: Solve for x
x = 170,189,022,708.57/447,539.79 - Step 6: Final answer
x = 380,276.85
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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.