Finding the Fourth Proportional to 493,145.36, 739,760.21 and 173,269.43
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Solution
The fourth proportional to 493,145.36, 739,760.21 and 173,269.43 is: 259,918.95
Step by Step Solution
- Step 1: Write the proportion equation
493,145.36 : 739,760.21 = 173,269.43 : x - Step 2: Convert to fraction form
493,145.36/739,760.21 = 173,269.43/x - Step 3: Cross multiply
493,145.36x = 739,760.21 × 173,269.43 - Step 4: Simplify right side
493,145.36x = 128,177,825,358.23 - Step 5: Solve for x
x = 128,177,825,358.23/493,145.36 - Step 6: Final answer
x = 259,918.95
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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.