Finding the Fourth Proportional to 476,125.21, 657,093.60 and 261,306.80
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Solution
The fourth proportional to 476,125.21, 657,093.60 and 261,306.80 is: 360,625.78
Step by Step Solution
- Step 1: Write the proportion equation
476,125.21 : 657,093.60 = 261,306.80 : x - Step 2: Convert to fraction form
476,125.21/657,093.60 = 261,306.80/x - Step 3: Cross multiply
476,125.21x = 657,093.60 × 261,306.80 - Step 4: Simplify right side
476,125.21x = 171,703,025,916.48 - Step 5: Solve for x
x = 171,703,025,916.48/476,125.21 - Step 6: Final answer
x = 360,625.78
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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.