Finding the Fourth Proportional to 151,288.79, 226,828.09 and 67,003.02
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Solution
The fourth proportional to 151,288.79, 226,828.09 and 67,003.02 is: 100,457.99
Step by Step Solution
- Step 1: Write the proportion equation
151,288.79 : 226,828.09 = 67,003.02 : x - Step 2: Convert to fraction form
151,288.79/226,828.09 = 67,003.02/x - Step 3: Cross multiply
151,288.79x = 226,828.09 × 67,003.02 - Step 4: Simplify right side
151,288.79x = 15,198,167,050.83 - Step 5: Solve for x
x = 15,198,167,050.83/151,288.79 - Step 6: Final answer
x = 100,457.99
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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.