Finding the Fourth Proportional to 109,570.21, 164,230.74 and 46,350.88
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Solution
The fourth proportional to 109,570.21, 164,230.74 and 46,350.88 is: 69,473.62
Step by Step Solution
- Step 1: Write the proportion equation
109,570.21 : 164,230.74 = 46,350.88 : x - Step 2: Convert to fraction form
109,570.21/164,230.74 = 46,350.88/x - Step 3: Cross multiply
109,570.21x = 164,230.74 × 46,350.88 - Step 4: Simplify right side
109,570.21x = 7,612,239,322.05 - Step 5: Solve for x
x = 7,612,239,322.05/109,570.21 - Step 6: Final answer
x = 69,473.62
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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.