Finding the Fourth Proportional to 324,117.09, 486,139.21 and 124,297.28
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Solution
The fourth proportional to 324,117.09, 486,139.21 and 124,297.28 is: 186,431.94
Step by Step Solution
- Step 1: Write the proportion equation
324,117.09 : 486,139.21 = 124,297.28 : x - Step 2: Convert to fraction form
324,117.09/486,139.21 = 124,297.28/x - Step 3: Cross multiply
324,117.09x = 486,139.21 × 124,297.28 - Step 4: Simplify right side
324,117.09x = 60,425,778,762.91 - Step 5: Solve for x
x = 60,425,778,762.91/324,117.09 - Step 6: Final answer
x = 186,431.94
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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.