Finding the Fourth Proportional to 106,844.66, 160,207.79 and 43,709.09
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Solution
The fourth proportional to 106,844.66, 160,207.79 and 43,709.09 is: 65,539.42
Step by Step Solution
- Step 1: Write the proportion equation
106,844.66 : 160,207.79 = 43,709.09 : x - Step 2: Convert to fraction form
106,844.66/160,207.79 = 43,709.09/x - Step 3: Cross multiply
106,844.66x = 160,207.79 × 43,709.09 - Step 4: Simplify right side
106,844.66x = 7,002,537,221.60 - Step 5: Solve for x
x = 7,002,537,221.60/106,844.66 - Step 6: Final answer
x = 65,539.42
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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.