Finding the Fourth Proportional to 136,879.79, 205,284.04 and 57,953.39
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Solution
The fourth proportional to 136,879.79, 205,284.04 and 57,953.39 is: 86,914.99
Step by Step Solution
- Step 1: Write the proportion equation
136,879.79 : 205,284.04 = 57,953.39 : x - Step 2: Convert to fraction form
136,879.79/205,284.04 = 57,953.39/x - Step 3: Cross multiply
136,879.79x = 205,284.04 × 57,953.39 - Step 4: Simplify right side
136,879.79x = 11,896,904,859.59 - Step 5: Solve for x
x = 11,896,904,859.59/136,879.79 - Step 6: Final answer
x = 86,914.99
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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.