Finding the Fourth Proportional to 102,859.44, 154,347.44 and 40,573.68
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Solution
The fourth proportional to 102,859.44, 154,347.44 and 40,573.68 is: 60,883.51
Step by Step Solution
- Step 1: Write the proportion equation
102,859.44 : 154,347.44 = 40,573.68 : x - Step 2: Convert to fraction form
102,859.44/154,347.44 = 40,573.68/x - Step 3: Cross multiply
102,859.44x = 154,347.44 × 40,573.68 - Step 4: Simplify right side
102,859.44x = 6,262,443,639.38 - Step 5: Solve for x
x = 6,262,443,639.38/102,859.44 - Step 6: Final answer
x = 60,883.51
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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.