Finding the Fourth Proportional to 324,468.77, 447,764.27 and 179,274.09
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Solution
The fourth proportional to 324,468.77, 447,764.27 and 179,274.09 is: 247,396.79
Step by Step Solution
- Step 1: Write the proportion equation
324,468.77 : 447,764.27 = 179,274.09 : x - Step 2: Convert to fraction form
324,468.77/447,764.27 = 179,274.09/x - Step 3: Cross multiply
324,468.77x = 447,764.27 × 179,274.09 - Step 4: Simplify right side
324,468.77x = 80,272,533,829.93 - Step 5: Solve for x
x = 80,272,533,829.93/324,468.77 - Step 6: Final answer
x = 247,396.79
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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.