Finding the Fourth Proportional to 103,243.34, 154,859.45 and 33,117.19
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Solution
The fourth proportional to 103,243.34, 154,859.45 and 33,117.19 is: 49,673.99
Step by Step Solution
- Step 1: Write the proportion equation
103,243.34 : 154,859.45 = 33,117.19 : x - Step 2: Convert to fraction form
103,243.34/154,859.45 = 33,117.19/x - Step 3: Cross multiply
103,243.34x = 154,859.45 × 33,117.19 - Step 4: Simplify right side
103,243.34x = 5,128,509,276.21 - Step 5: Solve for x
x = 5,128,509,276.21/103,243.34 - Step 6: Final answer
x = 49,673.99
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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.