Finding the Fourth Proportional to 151,874.99, 209,586.65 and 83,896.64
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Solution
The fourth proportional to 151,874.99, 209,586.65 and 83,896.64 is: 115,776.90
Step by Step Solution
- Step 1: Write the proportion equation
151,874.99 : 209,586.65 = 83,896.64 : x - Step 2: Convert to fraction form
151,874.99/209,586.65 = 83,896.64/x - Step 3: Cross multiply
151,874.99x = 209,586.65 × 83,896.64 - Step 4: Simplify right side
151,874.99x = 17,583,614,256.44 - Step 5: Solve for x
x = 17,583,614,256.44/151,874.99 - Step 6: Final answer
x = 115,776.90
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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.