Finding the Fourth Proportional to 324,707.21, 448,109.79 and 181,467.26
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Solution
The fourth proportional to 324,707.21, 448,109.79 and 181,467.26 is: 250,432.55
Step by Step Solution
- Step 1: Write the proportion equation
324,707.21 : 448,109.79 = 181,467.26 : x - Step 2: Convert to fraction form
324,707.21/448,109.79 = 181,467.26/x - Step 3: Cross multiply
324,707.21x = 448,109.79 × 181,467.26 - Step 4: Simplify right side
324,707.21x = 81,317,253,529.93 - Step 5: Solve for x
x = 81,317,253,529.93/324,707.21 - Step 6: Final answer
x = 250,432.55
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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.