Finding the Fourth Proportional to 492,833.12, 739,329.40 and 193,151.12
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Solution
The fourth proportional to 492,833.12, 739,329.40 and 193,151.12 is: 289,757.92
Step by Step Solution
- Step 1: Write the proportion equation
492,833.12 : 739,329.40 = 193,151.12 : x - Step 2: Convert to fraction form
492,833.12/739,329.40 = 193,151.12/x - Step 3: Cross multiply
492,833.12x = 739,329.40 × 193,151.12 - Step 4: Simplify right side
492,833.12x = 142,802,301,658.93 - Step 5: Solve for x
x = 142,802,301,658.93/492,833.12 - Step 6: Final answer
x = 289,757.92
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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.