Finding the Fourth Proportional to 383,552.36, 529,302.84 and 213,782.84
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Solution
The fourth proportional to 383,552.36, 529,302.84 and 213,782.84 is: 295,020.64
Step by Step Solution
- Step 1: Write the proportion equation
383,552.36 : 529,302.84 = 213,782.84 : x - Step 2: Convert to fraction form
383,552.36/529,302.84 = 213,782.84/x - Step 3: Cross multiply
383,552.36x = 529,302.84 × 213,782.84 - Step 4: Simplify right side
383,552.36x = 113,155,864,355.27 - Step 5: Solve for x
x = 113,155,864,355.27/383,552.36 - Step 6: Final answer
x = 295,020.64
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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.