Finding the Fourth Proportional to 355,610.82, 490,751.47 and 202,645.74
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Solution
The fourth proportional to 355,610.82, 490,751.47 and 202,645.74 is: 279,655.99
Step by Step Solution
- Step 1: Write the proportion equation
355,610.82 : 490,751.47 = 202,645.74 : x - Step 2: Convert to fraction form
355,610.82/490,751.47 = 202,645.74/x - Step 3: Cross multiply
355,610.82x = 490,751.47 × 202,645.74 - Step 4: Simplify right side
355,610.82x = 99,448,694,794.24 - Step 5: Solve for x
x = 99,448,694,794.24/355,610.82 - Step 6: Final answer
x = 279,655.99
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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.