Finding the Fourth Proportional to 383,578.24, 529,345.02 and 213,794.14
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Solution
The fourth proportional to 383,578.24, 529,345.02 and 213,794.14 is: 295,039.84
Step by Step Solution
- Step 1: Write the proportion equation
383,578.24 : 529,345.02 = 213,794.14 : x - Step 2: Convert to fraction form
383,578.24/529,345.02 = 213,794.14/x - Step 3: Cross multiply
383,578.24x = 529,345.02 × 213,794.14 - Step 4: Simplify right side
383,578.24x = 113,170,863,314.18 - Step 5: Solve for x
x = 113,170,863,314.18/383,578.24 - Step 6: Final answer
x = 295,039.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.