Finding the Fourth Proportional to 234,798.24, 324,161.20 and 154,368.48
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Solution
The fourth proportional to 234,798.24, 324,161.20 and 154,368.48 is: 213,120.30
Step by Step Solution
- Step 1: Write the proportion equation
234,798.24 : 324,161.20 = 154,368.48 : x - Step 2: Convert to fraction form
234,798.24/324,161.20 = 154,368.48/x - Step 3: Cross multiply
234,798.24x = 324,161.20 × 154,368.48 - Step 4: Simplify right side
234,798.24x = 50,040,271,718.98 - Step 5: Solve for x
x = 50,040,271,718.98/234,798.24 - Step 6: Final answer
x = 213,120.30
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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.