Finding the Fourth Proportional to 208,795.74, 312,983.37 and 120,022.62
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Solution
The fourth proportional to 208,795.74, 312,983.37 and 120,022.62 is: 179,913.08
Step by Step Solution
- Step 1: Write the proportion equation
208,795.74 : 312,983.37 = 120,022.62 : x - Step 2: Convert to fraction form
208,795.74/312,983.37 = 120,022.62/x - Step 3: Cross multiply
208,795.74x = 312,983.37 × 120,022.62 - Step 4: Simplify right side
208,795.74x = 37,565,084,083.83 - Step 5: Solve for x
x = 37,565,084,083.83/208,795.74 - Step 6: Final answer
x = 179,913.08
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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.