Finding the Fourth Proportional to 422,537.49, 633,806.09 and 102,687.68
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Solution
The fourth proportional to 422,537.49, 633,806.09 and 102,687.68 is: 154,031.48
Step by Step Solution
- Step 1: Write the proportion equation
422,537.49 : 633,806.09 = 102,687.68 : x - Step 2: Convert to fraction form
422,537.49/633,806.09 = 102,687.68/x - Step 3: Cross multiply
422,537.49x = 633,806.09 × 102,687.68 - Step 4: Simplify right side
422,537.49x = 65,084,073,269.50 - Step 5: Solve for x
x = 65,084,073,269.50/422,537.49 - Step 6: Final answer
x = 154,031.48
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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.