Finding the Fourth Proportional to 151,239.12, 226,879.44 and 51,372.51
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Solution
The fourth proportional to 151,239.12, 226,879.44 and 51,372.51 is: 77,065.82
Step by Step Solution
- Step 1: Write the proportion equation
151,239.12 : 226,879.44 = 51,372.51 : x - Step 2: Convert to fraction form
151,239.12/226,879.44 = 51,372.51/x - Step 3: Cross multiply
151,239.12x = 226,879.44 × 51,372.51 - Step 4: Simplify right side
151,239.12x = 11,655,366,300.19 - Step 5: Solve for x
x = 11,655,366,300.19/151,239.12 - Step 6: Final answer
x = 77,065.82
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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.