Finding the Fourth Proportional to 188,904.05, 283,355.79 and 129,559.80
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Solution
The fourth proportional to 188,904.05, 283,355.79 and 129,559.80 is: 194,339.51
Step by Step Solution
- Step 1: Write the proportion equation
188,904.05 : 283,355.79 = 129,559.80 : x - Step 2: Convert to fraction form
188,904.05/283,355.79 = 129,559.80/x - Step 3: Cross multiply
188,904.05x = 283,355.79 × 129,559.80 - Step 4: Simplify right side
188,904.05x = 36,711,519,481.24 - Step 5: Solve for x
x = 36,711,519,481.24/188,904.05 - Step 6: Final answer
x = 194,339.51
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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.