Finding the Fourth Proportional to 382,537.07, 527,899.74 and 212,771.19
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Solution
The fourth proportional to 382,537.07, 527,899.74 and 212,771.19 is: 293,623.45
Step by Step Solution
- Step 1: Write the proportion equation
382,537.07 : 527,899.74 = 212,771.19 : x - Step 2: Convert to fraction form
382,537.07/527,899.74 = 212,771.19/x - Step 3: Cross multiply
382,537.07x = 527,899.74 × 212,771.19 - Step 4: Simplify right side
382,537.07x = 112,321,855,880.49 - Step 5: Solve for x
x = 112,321,855,880.49/382,537.07 - Step 6: Final answer
x = 293,623.45
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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.