Finding the Fourth Proportional to 149,415.30, 206,183.08 and 84,898.11
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Solution
The fourth proportional to 149,415.30, 206,183.08 and 84,898.11 is: 117,153.69
Step by Step Solution
- Step 1: Write the proportion equation
149,415.30 : 206,183.08 = 84,898.11 : x - Step 2: Convert to fraction form
149,415.30/206,183.08 = 84,898.11/x - Step 3: Cross multiply
149,415.30x = 206,183.08 × 84,898.11 - Step 4: Simplify right side
149,415.30x = 17,504,553,805.98 - Step 5: Solve for x
x = 17,504,553,805.98/149,415.30 - Step 6: Final answer
x = 117,153.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.