Finding the Fourth Proportional to 547,733.36, 755,858.08 and 306,017.75
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Solution
The fourth proportional to 547,733.36, 755,858.08 and 306,017.75 is: 422,296.70
Step by Step Solution
- Step 1: Write the proportion equation
547,733.36 : 755,858.08 = 306,017.75 : x - Step 2: Convert to fraction form
547,733.36/755,858.08 = 306,017.75/x - Step 3: Cross multiply
547,733.36x = 755,858.08 × 306,017.75 - Step 4: Simplify right side
547,733.36x = 231,305,986,981.39 - Step 5: Solve for x
x = 231,305,986,981.39/547,733.36 - Step 6: Final answer
x = 422,296.70
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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.