Finding the Fourth Proportional to 106,284.29, 159,051.84 and 66,322.09
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Solution
The fourth proportional to 106,284.29, 159,051.84 and 66,322.09 is: 99,249.39
Step by Step Solution
- Step 1: Write the proportion equation
106,284.29 : 159,051.84 = 66,322.09 : x - Step 2: Convert to fraction form
106,284.29/159,051.84 = 66,322.09/x - Step 3: Cross multiply
106,284.29x = 159,051.84 × 66,322.09 - Step 4: Simplify right side
106,284.29x = 10,548,650,645.96 - Step 5: Solve for x
x = 10,548,650,645.96/106,284.29 - Step 6: Final answer
x = 99,249.39
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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.