Finding the Fourth Proportional to 383,531.75, 529,277.35 and 211,455.79
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Solution
The fourth proportional to 383,531.75, 529,277.35 and 211,455.79 is: 291,810.94
Step by Step Solution
- Step 1: Write the proportion equation
383,531.75 : 529,277.35 = 211,455.79 : x - Step 2: Convert to fraction form
383,531.75/529,277.35 = 211,455.79/x - Step 3: Cross multiply
383,531.75x = 529,277.35 × 211,455.79 - Step 4: Simplify right side
383,531.75x = 111,918,760,173.36 - Step 5: Solve for x
x = 111,918,760,173.36/383,531.75 - Step 6: Final answer
x = 291,810.94
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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.