Finding the Fourth Proportional to 129,573.99, 194,291.73 and 40,803.66
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Solution
The fourth proportional to 129,573.99, 194,291.73 and 40,803.66 is: 61,183.68
Step by Step Solution
- Step 1: Write the proportion equation
129,573.99 : 194,291.73 = 40,803.66 : x - Step 2: Convert to fraction form
129,573.99/194,291.73 = 40,803.66/x - Step 3: Cross multiply
129,573.99x = 194,291.73 × 40,803.66 - Step 4: Simplify right side
129,573.99x = 7,927,813,691.73 - Step 5: Solve for x
x = 7,927,813,691.73/129,573.99 - Step 6: Final answer
x = 61,183.68
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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.