Finding the Fourth Proportional to 647,544.60, 971,057.70 and 226,603.80
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Solution
The fourth proportional to 647,544.60, 971,057.70 and 226,603.80 is: 339,814.99
Step by Step Solution
- Step 1: Write the proportion equation
647,544.60 : 971,057.70 = 226,603.80 : x - Step 2: Convert to fraction form
647,544.60/971,057.70 = 226,603.80/x - Step 3: Cross multiply
647,544.60x = 971,057.70 × 226,603.80 - Step 4: Simplify right side
647,544.60x = 220,045,364,839.26 - Step 5: Solve for x
x = 220,045,364,839.26/647,544.60 - Step 6: Final answer
x = 339,814.99
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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.